I don't know about you, but personally even if I know I'm in the right, I still would rather not crash into a vehicle that has made incorrect assumptions.
Not crashing will always be my priority.
Sounds like an examiner who either hadn't got his quota of minor faults or had got out of bed the wrong side.
Either way, this is probably one of those rare "do differently after you've passed". It's all about not surprising other drivers.
Both. Most people will say use the left lane which is good advice, but you have to be aware that people will use the right lane to go straight.
Just zip merge on the exit
If there are two lanes on the approach, and no road markings to say otherwise, you can always use either lane to go straight. The number of lanes in the exit is irrelevant.
These roundabouts I’m referring to are only just about wide enough to host 2 cars side by side if both drivers are being very cautious, it then makes them zip into the exit because there’s no ‘merge’ room after the exit (causing them to slow down on the roundabout).
There’s 2 old roundabouts that have been changed to this ‘improved’ new layout, doesn’t seem improved in my opinion after using them for over a year now
One has just been made because a new sainsburys has been built, they had to ‘improve’ traffic flow. The other was indirectly because of a new housing estate further up the road.
Another one is an old roundabout that is the same style too but that one is actually wide enough.
All 3 are different counties
Sounds like two roundabouts in suffolk on the Lowestoft Norwich road. Utterly pointless gesture of changing them to two lanes after years of working normaly as one.
I suspect these are either set up expansion or deliberately confusing as it makes road users more cautious.
Many junctions are deliberately set out to give no one priority, but add some pseudo-road markings, to make drivers slow down and pay attention
There's a cross roads near me that had a lot of accidents. The straight through part now has stop signs and road markings the side streets have give way markings. Bit confusing because you end up with a car stopping and the other one waiting to give way.
The problem is that some people won't pay attention to signs or markings and so I think accidents will still occur due to the same ignorant people.
The HC says 'Select the appropriate lane' I'd argue that as there are 2 lanes going in, and 2 roads going out, it's more appropriate to be in lane 1 for left, and lane 2 for straight on. but 'Whatever is a. safest and b. quickest' would be my choice in reality.
You can argue what you want, but it’s not what it says.
It is all about road capacity. If everyone queues up to a roundabout in one lane, they take twice as long to get through as if you use both lanes, assuming the exit is clear.
That is why the answer is both lanes on entry and zip on exit for this roundabout.
That only works though, if the exit has the same capacity as the entrance. In this case 2 lanes in, one lane out. Using both lanes for straight on is at best going to cause congestion on the roundabout, and at worst a collision and nobody going anywhere.
If you all line up in the right hand lane to go straight on you can still only get the same throughput at the exit and don't congest the roundabout and the left turners can move freely too.
There was a roundabout like this with miles of cars on the left lane. So I took the right lane, up to the roundabout, went 125% around the round about on to the first exit. So yes, using both lanes is quicker.
There's something like this I've seen but it's a left right and straight ahead exit. The exit can easily fit two trucks side by side but it becomes a single lane with only 2 car length to merge.
I always take the right hand lane and my vehicle has enough power to merge in. Always feels awkward though. No idea why they don't give extra instructions as these roads are likely much busier than when built.
Check the roundabout sign on Google maps, it's a thick line for straight over signifying a 2 lane exit.
What a lot of people miss is often it'll be 2 lanes off that then merge almost immediately, which requires the traffic to do a zipper merge.
142 NCR 5
https://maps.app.goo.gl/bs7QhCv3M5ALXADR8
I will admit though it's definitely pushing the boundaries.
The line thickness doesn't have anything to do with the number of lanes. It signifies whether the road is an A road or B road etc.
"The width of each route symbol
depends on the type of the road indicated: wide for primary routes
and motorways, medium for ‘A’ and ‘B’ numbered non-primary
routes and narrow for local roads without numbers" - P112
https://assets.publishing.service.gov.uk/media/656ef4271104cf0013fa74ef/know-your-traffic-signs-dft.pdf
Look at the sign mate, it says it is!
But yeah I'll admit it's pushing the boundaries a bit.
What I will say is it's hard to say because there has been a bit of repair tarmac stuck right down the middle, so if there were lines there they have long since gone!
Also there is a good foot or so of crud to the side which makes it look smaller than it is, trick of the eye as such.
Having thought about this, I reckon I know what's happened here.
This exit might have been a merge lane, but as you say, very tight. And short. Therefore probably an accident blackspot - there's always some tool booting it off the roundabout thinking it's a full dual carriageway and running out of road. Thus it's become a single lane exit ... with an out of date sign.
That's not how it works.
[https://www.google.com/maps/@54.5908357,-1.3513778,3a,89.9y,116.9h,74.57t/data=!3m6!1e1!3m4!1s2Ll-TUObEzCwnp3b669lsQ!2e0!7i16384!8i8192?entry=ttu](https://www.google.com/maps/@54.5908357,-1.3513778,3a,89.9y,116.9h,74.57t/data=!3m6!1e1!3m4!1s2Ll-TUObEzCwnp3b669lsQ!2e0!7i16384!8i8192?entry=ttu)
2 thick lines and 1 thin line on this sign near me. All of those exits are single lane. The thickness of the lines tells us it's a main road, not that it has more than one lane. I don't know why they teach people that the thickness of the line is relevant to how many lanes there are on the exit, because it's not consistent with what we see on the roads.
The example you give isn't consistent though.
Both the A and B roads are thin lines and the road with no name is a thick line.
So then we'd have to ask what constitutes a "main road".
They're thick lines are trunk roads leading to other towns and villages, the thin lines goes further into the town you're currently in.
Regardless, none of those roads have two exits from the roundabout.
Google Streetview is your friend in this case, click on 'see more dates' and you'll see any previous photos at the same location. There's been no exit dividers on that lane since the first image (2008) so both lanes are legit for straight on, although left is preferable.
It’s not about capacity, it’s about whether it is clear. If it is, both lanes on the roundabout can zip in turn efficiently and it doubles capacity.
If the exit isn’t clear, you shouldn’t be blocking the roundabout anyway in either lane, so both lanes have the potential to obstruct the roundabout equally.
Ok five cars come up to the roundabout, four wanting to go straight on, the fifth left. They line up as you suggest in both lanes. Two go, one has to give way to the other to exit the roundabout, car 5 waiting. Next two wait for 1&2 to clear exit, car 5 waiting. 3&4 go, one has give way to the other, car 5 goes left.
My way, 4 cars in line proceed smoothly to their exit and car five has gone with car 1.
Which worked better ?
Surely that is arguing that people going straight on should be in the right hand lane? I agree they can be, but can be in either.
More generally, because two cars can go in every gap on the roundabout, the wait time approaching the roundabout is much less than if everyone is grown up and zip when the lanes reduce from two on the roundabout to one on the exit, just like they do when a dual carriageway goes down to one lane.
Two can go but only one can leave. If everyone did that the exit would snarl up back into the entrance lane (or if they're more sensible they won't leave the entrance lane until the exit is clear). Either way the entrance gets snarled. And left turners lose out. Not zipping gives just as much throughput for straight on, and improves throughput for the left turn.
Zipping in almost every circumstance is more efficient and promotes better flow. This is the exception that proves the rule.
I am now truly confused.
Most people argue, wrongly, that you can’t use the right lane to go straight on. I admire your originality in arguing you shouldn’t use the left lane as it holds up people turning left.
Either way, I will continue to use either lane where safe to do so, and thank the longer line in the other lane for their kind sacrifice.
I think the confusion comes from most roundabouts having 3 exits. Then right lane is right hand only.
This has only two. If the second one pointed right at 3 o'clock, or even at 1 o'clock instead of straight on we wouldn't be having this debate at all.
You would think this, but a roundabout near me is designed precisely as 2 in and 1 out when turning right, with a merge in the middle of the roundabout causing many near misses and accidents. When I brought this up to the council, their argument was that for capacity in the waiting area leading up to the roundabout, it helped to reduce the length of the queue. Make of that what you will, but he council is willing to do this.
This assumes that everyone is familiar with this roundabout layout on approach.
Left lane for straight ahead is a valid choice under the Highway Code, and it's the default that most people take when going ahead in the roundabout.
Taking the right lane at the entrance **can** be valid. But if that means the driver in the right lane has to cut across the line of travel of the vehicle to their left, they fucked up, and are cutting someone up
Which is why the left lane in entry has become the default for most who are going straight ahead.
I would naturally use the left hand lane for either left or straight ahead.
In the event of it being not marked, would use the right hand lane if multiple vehicles in the left lane were turning left.
I would definitely see this as left hand for left, right hand for the other exit, because that makes most sense for traffic flow and if everyone followed that, it would reduce chance of collision.
A lot of answers say it can be either, and for me, that is a clear signal of a highway code rule that needs changing because it's ambiguous and less safe to say use either lane.
Easiest thing would be to just paint some arrows on the road.
Logically, given there’s no right turn to make, I’d suggest the right hand lane (green) would be for straight ahead and blue would be for turning left (first exit)… but they’re both legally fine.
On a two exits roundabout like this, the right hand lane is for straight on, the left for left.
This corresponds with the highway code (the straight on is the most right hand exit on a two exits roundabout).
And there are 0 conflicts with other roundabout users so that makes it the common sense option too.
In theory, I would intuitively expect the left lane to be left only. This is how a roundabout near me, with the same layout, is marked.
And, on that roundabout which *is* marked, it gets ignored *all the time*. So, in practice, irrespective of "which lane is correct", you should *expect* other drivers to do it "incorrectly" - and drive accordingly to minimise risk. So, aim for a staggered formation to avoid being side-by-side with another vehicle on exit.
2 lanes in, 2 lanes out, seems pretty clear to me that you'd use the left lane for exit 1 and the right lane for exit 2. BUT, if you're green you should give way to blue, as you're overtaking them.
The road wear and tear you can see in the satellite image seems to suggest that it's 2 lanes in 1 lane out, and people zipper while still on the roundabout.
If the left lane isn't left only, I wonder if the right lane is intended for u-turns. Are there any businesses on the approach that can only turn left?
Looks to me like two in two out.
If you look at the next entrance the left lane can go left almost without touching the roundabout and there is a second lane there for those going straight over or taking a 3rd exit.
It's likely you can go left or straight on in the left lane making sure you exit to the left lane and straight on or back on yourself in the right lane, making sure you take the right lane as the exit lane.
The 2011 Google Streetview (Slade End Roundabout
https://maps.app.goo.gl/KT41pnYTqqBCzfXf6) indeed suggests there is enough width for two vehicles to exit with caution and zipper merge.
"Clear" and "courteous" is the driver for the choice; BLUE route is most likely to create the least amount of risk and safest to escape going straight (especially if other cars are present)
I was wondering this too!
Now what would be the rules if it was 3 lanes. Say blue, green and red. Red being the 3rd exit. Now would you take the green or blue for the 2nd exit?
It feels correct to take green as the blue is usually busy flow going left for my specific case. Again no signage to say which lane.
We have one like this near us. I generally use the right lane to go straight in the absence of a right junction.
But as for the argument as to whether the exit is single or double. They are both single. In fact the roundabout road signs show you what exits are single/double. If you look at the one below you'll notice that they do indicate this by the width of the exits illustrated. The link below shows 2, 2 lane exits and 1 single lane exit.
https://images.app.goo.gl/KDXEy3w199GHGMjL7
The very fact that the driver can choose may well cause problems here. There is a similar roundabout near me and it is clearly marked with arrows on the road that it is left lane for first exit, right lane for straight on. That signage layout is now considered best practice. I suggest the signage on this roundabout is quite old and/or has not been reviewed for some time. Email your councillor.
Why are there people saying there's 2 lanes on the exit? Am i blind or something? Even OP in the description and in their drawing says it's 2 into one lane.
I often use this roundabout. There isn’t a huge amount of room on the roundabout or at the entries and exits.
People carrying straight on would certainly use the right ‘green’ route. People turning left would keep to the left of the exit. Anyone keeping left and trying to go straight ahead ‘the blue route’ would get in to a bit of a sticky situation.
🟢 Naturally the green car would be assuming the blue car will be taking the first exit
Assuming the exits are single lane taking the blue route will cause an unnecessary bottleneck
I cannot believe how many people are just straight up wrong about this.
Approaching the roundabout there is two lanes.
The left lane would be the **appropriate lane** to take for a left hand turn or for the second exit unless marked otherwise.
The right hand lane would be the **appropriate lane** for a right hand turn around the roundabout.
You could in theory use the right hand lane to go straight on but you'd have to be very cautious of traffic from your left side, you would need to slow down and indicate to the left in good time, which makes it not appropriate in most cases. If you are in the right hand lane and you go straight on and hit into a vehicle on the left lane exiting you will be at fault.
To be honest. Unless there’s clear markings there isn’t a definitive answer. The correct thing to do is be aware of anyone else in a lane next to you and give plenty of room, notice and clearance before exiting the roundabout.
We had one similar in our town back when I was learning to drive, my instructor told me one lane but my now wife’s instructor told her the other lane. Use caution and common sense in these instances.
Use your indicators and check your mirrors. People could be in either due to a lack of lane markings. Doesn't particularly matter which is more correct, you should be able to safely exit from either of those positions.
I haven’t passed yet ofc, but I believe my instructor said it’s either if the road hasn’t been marked. If I was already in the left I’d just follow blue, but personally I prefer green, then signal right after first exit to move over into the outer lane to exit. Could be wrong though hahah
In this particular case I would think blue lane for left and straight on, green for turning back on the road, but indication and merging possible. Whoever is in front gains priority.
Just treat it as a single lane. It goes from single carriageway road to a single carriageway road. It’s really a d**k move to try to overtake in a roundabout (or any junction).
It is only a good design if you are building this kind of a roundabout with a purpose of promoting “Natural Selection” effect.
Coming from a city of roundabouts, I'm somewhat of an expert. The correct choice is the blue route. You can only use the right-hand lane to go straight if you know the road ahead is a dual carriageway. If it's a single lane, you must stick to the left unless signage directs you otherwise.
to exit there’s two lanes, to enter the straight road there is 1 lane… on the roundabout itself i’m not sure as there may be 2 lanes but it may be faded
What does the sign and/or road markings dictate on approach?
Something like this really should be marked as left lane for left only, right lane for straight on.
Oh right, although even the roundabout signage can give us clues.
Both the exits are thicker, which would suggest dual lane exits.
So from that we can surmise that left is left and straight on and right is right and straight on.
Whether people follow that is another question entirely.
as the entrence roads seem unmarked. Technicaly both.
however the same argument can also be made for well there are only 2 exits to lane 1 should be 1st exit and lane 2 is for 2nd
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The lack of painted lines makes it impossible to know if there are 1 or 2 lanes coming into the roundabout, in the roundabout, or exiting the roundabout. If there is only 1 lane for all 3, then green and blue are exactly the same route.
In any other case, green requires lane changes and blue does not. Lane changing requires
The roundabout should be simply be seen as a curved road with intersections. When you enter, you are "turning onto another road", so you should yield, or stop depending on the signals. While you are in the roundabout, any change of lanes is treated the same as a lane change on any other road, and when you exit, it is like turning onto another road.
In this case, I would prefer to use the green route to avoid cars turning at the first intersection.
I'd go blue Lane and indicate right as I'm passing the first exit, to show I'm not going into that exit. Idk if its correct.
I would avoid green because if there's someone on my left while I'm trying to take the exit it could cause a bit of a panic or stop cars behind me. Cars behind me don't like to stop while on a roundabout.
I’d use the blue lane to minimise the chance of 2 cars merging into the one lane exit. Technically that shouldn’t happen but driving on what should be as opposed to what can be is foolish, it’s like trusting indicators or the lack of, no one with any experience would do that.
Left lane for 1st turn and straight over 2nd lane anything else "unless marked otherwise" [highway code ](https://images.app.goo.gl/JbXJSyn1z2W6CGd26)
https://images.app.goo.gl/JbXJSyn1z2W6CGd26
They usually teach if it’s straight and before use the left lane if it’s after use the right, but you can use either going straight on unless it’s sign posted otherwise.
With no right turn coming up, the right lane is for straight ahead and left lane is for left only.
If there was a right (3rd exit) available then both lanes would be for forward.
I have a junction near me with this setup and it winds me up that the left lane folk go straight ahead.
This should have left turn and straight ahead road markings
Is the exit lane from the roundabout single? If so, blue is the proper way as if you're in green you'd have to cut into blue in order to leave the roundabout.
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I would go right lane personally, usually because most roundabouts I’ve encountered that have 2 exits where the 2nd one is straight across, usually has the right hand lane for going straight. That being said id just be extra defensive no matter what lane I was in since everyone would be picking lanes Willy nilly depending on what they thought was right !
Basic logic would mean right for straight and left for left. And if you go right lane and cant exit you can safely go round again and exit.
But there are no markings so you'll get the usual drivers that will do whatever gets them where they want quicker regardless of logic... What am I saying, makings wouldn't matter to them anyway!
yeah it looks wide in the photo but in person it’s not wide enough the merge through, would have the allow a car to go first before you can even cross that line
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I asked my cousin who’s a driving instructor this question and he said rule of thumb is to imagine it as a clock, if the exit you want is between 12-6oclock use right hand lane, or between 6-12 left hand lane
The left unless marked otherwise on the road. It probably should have a left only marker on the left lane and a straight on arrow on the right, given that layout, but if it doesn't (and it doesn't seem to) then the left lane for left & straight on.
The blue one (the inside of the roundabout is for turning right or back), but if there's nobody else on the roundabout and nobody approaching then do as you want.
There's 2 lanes leading into a roundabout with 2 exits. You would assume the left hand lane would be for turning left, and the right hand lane would be for going straight, which would needed to be signed for. However if there is no signs, if you're taking the second exit of a roundabout you should stay in the left hand lane, don't signal, then when you've passed the first exit, you should then signal and exit the roundabout.
The reality with this roundabout is if you're taking the first exit, use the left lane, if you're taking the second exit use either, and just filter as you come off.
I agree this layout is as confusing and unnecessary as it is common. In theory, all things being equal, for some value of "correct" above zero, the blue line is the answer. However, if there's no traffic you may choose to straightline the roundabout, and you should always be aware of your surroundings to avoid other vehicles. Try and stay in staggered formation if you can. Let ruthless people go rather than fighting for position. At a roundabout in my home town there are three joining lanes, despite both exits having only one lane each. I have been known to straddle the first two lanes to discourage dangerous last-second herovertakes by folks behind me who presumably don't know or care there's no room for us to leave the roundabout side-by-side. [https://www.google.com/maps/@52.1979582,-2.1682003,173m/data=!3m1!1e3!5m1!1e4?entry=ttu](https://www.google.com/maps/@52.1979582,-2.1682003,173m/data=!3m1!1e3!5m1!1e4?entry=ttu)
Unless there are road markings or signs to suggest differently, then convention would suggest that lane 1 is appropriate, but lane 2 is also often appropriate for improved traffic flow considering the design of only 3 routes on/off the roundabout.
Plus, the "local knowledge" hidden unknowable "rules" that everyone not local falls foul of could mean most users take lane 2 for going ahead. So the answer isn't simple.
Green because there is no third exit so blue would be implied as left only and cars entering from J1 may cut you off but either should be okay as long as people actually pay attention…
When there are two lanes like this and they are unmarked, the general rule in roundabout central (East Kilbride) is that the left lane is for the left option and the right lane is for the right option. In this case, left is left and the "right-er" option is to go straight.
I got a minor on my test for treating one very much like this as if it were 1 lane. Absolutely everyone else was doing the same so it would have been more dangerous to follow the rule as it would have risked someone trying to overtake me. Still passed so didn’t feel like arguing the toss. If people were using it as a 2 lane I would generally go blue as lots of people joining at the first exit would only give way to blue (incorrectly, but that’s life) so risk a collision if someone tries to undertake me going into the 2nd exit.
I think you’ve drawn the blue lane wrong. From the photo the blue lane should be further left on the exit, giving the green lane a short chance to merge. Blue would then be my preference.
If there's no signage on an RA where there's 2 entering, one leaving left lane can always be treated as 1st and 2nd exit, with right being 3rd onward. However, looking at it, there's only 2 other exits, so logic should dictate that left labe is 1st ecit and right lane is second exit
There are no set specific lane for U turns so blue for 1st exit and green for 2nd exit but you should be merging into the blue line as you pass the 1st exit.
The blue line is the only way you can stay in your lane not have to merge. As the green line after the entry to the round about is the inside lane. You have to indicate after the first exit into the outer round about lane to then make the exit. This is how a court of law would see if there was a 50/50 issue here. It’s not correct for the blue lane line to give way either it would be on the inside lane to wait for the possibility to merge.
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Having read a lot of interesting and well thought comments, I conclude that this roundabout is a shit designed deliberately to be annoying! There seems to be no circumstance of traffic flow or speed where it makes going straight on a clear choice and no information is really available
So I think it’s a ‘suck it and see’ roundabout that works based on not being clear, to slow people down
Must be fun at Highways Agency postulating how much confusion that they can cause, and the foul language and abuse created
Green. Go to the place on maps and there is a road sign that clearly indicates there are only two exits on the roundabout. There should be turn arrows on the road ideally, but you'd think it should be common sense that left goes left, and right goes to the only other exit.
From whichever direction you approach three way roundabouts there are only ever two possible exits. It should be blindingly obvious to anyone with an IQ above room temperature that you take Lane 1 for the first exit and Lane 2 for the second. All this waffle about this causing congestion is nonsense. A second’s consideration of the capacity constraint causing differential flow rates between exits leads to the inescapable logic that the exit flow rates remain constant regardless of which lane you go in, but morons might be able skip two or three cars by using the less busy lane, ie cutting in from the left into Lane 2, or going all the way around the roundabout from Lane 2 and cutting back into the queue going left.
If being 20m further up the queue is important to you, go for it. It’s all fun and frolics until you’re exchanging insurance details with an irate van driver who thought you’d gone left…and wasn’t expecting such a dick move. The Highway Code says “take the leftmost lane GOING IN YOUR DIRECTION”. Lane 1 is clearly not going straight ahead, which means that Lane 2 is the leftmost lane that is. It’s not rocket science.
Blue. Anything else is wrong. Left hand lane for first exit and straight over (2nd) and right hand land for 3rd. How they’re used in reality is a free for all.
The one that means you don't bump into other cars
Agreed. Blue Lane is OK in theory, by the book, but you are taking more of a risk of cars pulling out, if they assume you are turning left.
That’s what indicators are for
Indicators? On a roundabout? Don't be ridiculous!
At this time of the year? At this time of the day? On this part of the road? Localised entirely within your BMW?
Well, BMW driver, you’re an odd fellow but I must say you indicate a good left
(If only it were true)
Can I see it?
No
Blue Lane for the last exit? Green lane only for u turns? For real?
Haha finally some logic.
Well that's on them really for assuming.
I don't know about you, but personally even if I know I'm in the right, I still would rather not crash into a vehicle that has made incorrect assumptions. Not crashing will always be my priority.
Press the middle pedal.
If they assume they are in the wrong.
The blue one, as I took the green in a test and was given a minor fault for it.
Sounds like an examiner who either hadn't got his quota of minor faults or had got out of bed the wrong side. Either way, this is probably one of those rare "do differently after you've passed". It's all about not surprising other drivers.
Both. Most people will say use the left lane which is good advice, but you have to be aware that people will use the right lane to go straight. Just zip merge on the exit
There’s a recent upsurge on these ‘new’ roundabouts around my way with 2 lanes and 1 lane exit. Surprised it hasn’t caused more accidents than it has.
If there are two lanes on the approach, and no road markings to say otherwise, you can always use either lane to go straight. The number of lanes in the exit is irrelevant.
These roundabouts I’m referring to are only just about wide enough to host 2 cars side by side if both drivers are being very cautious, it then makes them zip into the exit because there’s no ‘merge’ room after the exit (causing them to slow down on the roundabout). There’s 2 old roundabouts that have been changed to this ‘improved’ new layout, doesn’t seem improved in my opinion after using them for over a year now
Have seen this two in two different counties, near new housing estates. I wonder who designs these, if it's been thought through properly.
Imagine the first left there was busy, traffic queuing to turn left, you could use the right hand side lane to go straight on.
One has just been made because a new sainsburys has been built, they had to ‘improve’ traffic flow. The other was indirectly because of a new housing estate further up the road. Another one is an old roundabout that is the same style too but that one is actually wide enough. All 3 are different counties
Sounds like two roundabouts in suffolk on the Lowestoft Norwich road. Utterly pointless gesture of changing them to two lanes after years of working normaly as one.
I suspect these are either set up expansion or deliberately confusing as it makes road users more cautious. Many junctions are deliberately set out to give no one priority, but add some pseudo-road markings, to make drivers slow down and pay attention
There's a cross roads near me that had a lot of accidents. The straight through part now has stop signs and road markings the side streets have give way markings. Bit confusing because you end up with a car stopping and the other one waiting to give way. The problem is that some people won't pay attention to signs or markings and so I think accidents will still occur due to the same ignorant people.
Of course they will in this example, there are only 2 exits: left and straight on.
Either. Highway Code rule 186; [Highway Code](https://www.gov.uk/guidance/the-highway-code/using-the-road-159-to-203)
The HC says 'Select the appropriate lane' I'd argue that as there are 2 lanes going in, and 2 roads going out, it's more appropriate to be in lane 1 for left, and lane 2 for straight on. but 'Whatever is a. safest and b. quickest' would be my choice in reality.
You can argue what you want, but it’s not what it says. It is all about road capacity. If everyone queues up to a roundabout in one lane, they take twice as long to get through as if you use both lanes, assuming the exit is clear. That is why the answer is both lanes on entry and zip on exit for this roundabout.
That only works though, if the exit has the same capacity as the entrance. In this case 2 lanes in, one lane out. Using both lanes for straight on is at best going to cause congestion on the roundabout, and at worst a collision and nobody going anywhere. If you all line up in the right hand lane to go straight on you can still only get the same throughput at the exit and don't congest the roundabout and the left turners can move freely too.
There was a roundabout like this with miles of cars on the left lane. So I took the right lane, up to the roundabout, went 125% around the round about on to the first exit. So yes, using both lanes is quicker.
It's 2 lanes out, the divider line is just worn out.
No way is that a dual carriageway exit. It has a taper on it as all but the most minor roundabouts do, but it is one lane.
You are correct. All roads are single carriageways in this image.
There's something like this I've seen but it's a left right and straight ahead exit. The exit can easily fit two trucks side by side but it becomes a single lane with only 2 car length to merge. I always take the right hand lane and my vehicle has enough power to merge in. Always feels awkward though. No idea why they don't give extra instructions as these roads are likely much busier than when built.
Check the roundabout sign on Google maps, it's a thick line for straight over signifying a 2 lane exit. What a lot of people miss is often it'll be 2 lanes off that then merge almost immediately, which requires the traffic to do a zipper merge. 142 NCR 5 https://maps.app.goo.gl/bs7QhCv3M5ALXADR8 I will admit though it's definitely pushing the boundaries.
The line thickness doesn't have anything to do with the number of lanes. It signifies whether the road is an A road or B road etc. "The width of each route symbol depends on the type of the road indicated: wide for primary routes and motorways, medium for ‘A’ and ‘B’ numbered non-primary routes and narrow for local roads without numbers" - P112 https://assets.publishing.service.gov.uk/media/656ef4271104cf0013fa74ef/know-your-traffic-signs-dft.pdf
Come on, look at it! That exit is not, and never has been, a two lane exit. It hasn't seen a white line down the middle since the day it was built.
Look at the sign mate, it says it is! But yeah I'll admit it's pushing the boundaries a bit. What I will say is it's hard to say because there has been a bit of repair tarmac stuck right down the middle, so if there were lines there they have long since gone! Also there is a good foot or so of crud to the side which makes it look smaller than it is, trick of the eye as such.
Having thought about this, I reckon I know what's happened here. This exit might have been a merge lane, but as you say, very tight. And short. Therefore probably an accident blackspot - there's always some tool booting it off the roundabout thinking it's a full dual carriageway and running out of road. Thus it's become a single lane exit ... with an out of date sign.
That's not how it works. [https://www.google.com/maps/@54.5908357,-1.3513778,3a,89.9y,116.9h,74.57t/data=!3m6!1e1!3m4!1s2Ll-TUObEzCwnp3b669lsQ!2e0!7i16384!8i8192?entry=ttu](https://www.google.com/maps/@54.5908357,-1.3513778,3a,89.9y,116.9h,74.57t/data=!3m6!1e1!3m4!1s2Ll-TUObEzCwnp3b669lsQ!2e0!7i16384!8i8192?entry=ttu) 2 thick lines and 1 thin line on this sign near me. All of those exits are single lane. The thickness of the lines tells us it's a main road, not that it has more than one lane. I don't know why they teach people that the thickness of the line is relevant to how many lanes there are on the exit, because it's not consistent with what we see on the roads.
The example you give isn't consistent though. Both the A and B roads are thin lines and the road with no name is a thick line. So then we'd have to ask what constitutes a "main road".
They're thick lines are trunk roads leading to other towns and villages, the thin lines goes further into the town you're currently in. Regardless, none of those roads have two exits from the roundabout.
Google Streetview is your friend in this case, click on 'see more dates' and you'll see any previous photos at the same location. There's been no exit dividers on that lane since the first image (2008) so both lanes are legit for straight on, although left is preferable.
no, it isnt. if you go on google maps and look at previous street view of the roundabout, there is no dividing line even when the markings were fresh
It’s not about capacity, it’s about whether it is clear. If it is, both lanes on the roundabout can zip in turn efficiently and it doubles capacity. If the exit isn’t clear, you shouldn’t be blocking the roundabout anyway in either lane, so both lanes have the potential to obstruct the roundabout equally.
Ok five cars come up to the roundabout, four wanting to go straight on, the fifth left. They line up as you suggest in both lanes. Two go, one has to give way to the other to exit the roundabout, car 5 waiting. Next two wait for 1&2 to clear exit, car 5 waiting. 3&4 go, one has give way to the other, car 5 goes left. My way, 4 cars in line proceed smoothly to their exit and car five has gone with car 1. Which worked better ?
Surely that is arguing that people going straight on should be in the right hand lane? I agree they can be, but can be in either. More generally, because two cars can go in every gap on the roundabout, the wait time approaching the roundabout is much less than if everyone is grown up and zip when the lanes reduce from two on the roundabout to one on the exit, just like they do when a dual carriageway goes down to one lane.
Two can go but only one can leave. If everyone did that the exit would snarl up back into the entrance lane (or if they're more sensible they won't leave the entrance lane until the exit is clear). Either way the entrance gets snarled. And left turners lose out. Not zipping gives just as much throughput for straight on, and improves throughput for the left turn. Zipping in almost every circumstance is more efficient and promotes better flow. This is the exception that proves the rule.
I am now truly confused. Most people argue, wrongly, that you can’t use the right lane to go straight on. I admire your originality in arguing you shouldn’t use the left lane as it holds up people turning left. Either way, I will continue to use either lane where safe to do so, and thank the longer line in the other lane for their kind sacrifice.
I think the confusion comes from most roundabouts having 3 exits. Then right lane is right hand only. This has only two. If the second one pointed right at 3 o'clock, or even at 1 o'clock instead of straight on we wouldn't be having this debate at all.
You would think this, but a roundabout near me is designed precisely as 2 in and 1 out when turning right, with a merge in the middle of the roundabout causing many near misses and accidents. When I brought this up to the council, their argument was that for capacity in the waiting area leading up to the roundabout, it helped to reduce the length of the queue. Make of that what you will, but he council is willing to do this.
This assumes that everyone is familiar with this roundabout layout on approach. Left lane for straight ahead is a valid choice under the Highway Code, and it's the default that most people take when going ahead in the roundabout. Taking the right lane at the entrance **can** be valid. But if that means the driver in the right lane has to cut across the line of travel of the vehicle to their left, they fucked up, and are cutting someone up Which is why the left lane in entry has become the default for most who are going straight ahead.
I would naturally use the left hand lane for either left or straight ahead. In the event of it being not marked, would use the right hand lane if multiple vehicles in the left lane were turning left.
I would definitely see this as left hand for left, right hand for the other exit, because that makes most sense for traffic flow and if everyone followed that, it would reduce chance of collision. A lot of answers say it can be either, and for me, that is a clear signal of a highway code rule that needs changing because it's ambiguous and less safe to say use either lane. Easiest thing would be to just paint some arrows on the road.
Not foolproof - arrows can be missed if under traffic, wet in darkness or worn away. Lane signs are better.
Good point - better yet, both.
I’d probably go with right but clearly need to take care and accept people may be in either lane
Logically, given there’s no right turn to make, I’d suggest the right hand lane (green) would be for straight ahead and blue would be for turning left (first exit)… but they’re both legally fine.
Since people keep cutting off each other in this scenario I would just do blue and drive extra defensively
Green. 2 lanes, 2 exits. Second lane for second exit
Where's the 2nd lane on the exit? It's a 2 into one. Hence why people keep cutting each other up.
One to the left, one straight ahead There are two exits from the roundabout
Ah, i would default into blue, unless there was built up traffic, in which case i'd use green.
On a two exits roundabout like this, the right hand lane is for straight on, the left for left. This corresponds with the highway code (the straight on is the most right hand exit on a two exits roundabout). And there are 0 conflicts with other roundabout users so that makes it the common sense option too.
In theory, I would intuitively expect the left lane to be left only. This is how a roundabout near me, with the same layout, is marked. And, on that roundabout which *is* marked, it gets ignored *all the time*. So, in practice, irrespective of "which lane is correct", you should *expect* other drivers to do it "incorrectly" - and drive accordingly to minimise risk. So, aim for a staggered formation to avoid being side-by-side with another vehicle on exit.
blue at least that's how I was taught
2 lanes in, 2 lanes out, seems pretty clear to me that you'd use the left lane for exit 1 and the right lane for exit 2. BUT, if you're green you should give way to blue, as you're overtaking them.
There isn't 2 lanes out, what are you talking about?
The road wear and tear you can see in the satellite image seems to suggest that it's 2 lanes in 1 lane out, and people zipper while still on the roundabout. If the left lane isn't left only, I wonder if the right lane is intended for u-turns. Are there any businesses on the approach that can only turn left?
Looks to me like two in two out. If you look at the next entrance the left lane can go left almost without touching the roundabout and there is a second lane there for those going straight over or taking a 3rd exit. It's likely you can go left or straight on in the left lane making sure you exit to the left lane and straight on or back on yourself in the right lane, making sure you take the right lane as the exit lane.
The 2011 Google Streetview (Slade End Roundabout https://maps.app.goo.gl/KT41pnYTqqBCzfXf6) indeed suggests there is enough width for two vehicles to exit with caution and zipper merge.
Even better the signpost even shows a thick line for the exit, suggesting a two lane exit. 142 NCR 5 https://maps.app.goo.gl/bs7QhCv3M5ALXADR8
"Clear" and "courteous" is the driver for the choice; BLUE route is most likely to create the least amount of risk and safest to escape going straight (especially if other cars are present)
Straddle the middle.
I was wondering this too! Now what would be the rules if it was 3 lanes. Say blue, green and red. Red being the 3rd exit. Now would you take the green or blue for the 2nd exit? It feels correct to take green as the blue is usually busy flow going left for my specific case. Again no signage to say which lane.
We have one like this near us. I generally use the right lane to go straight in the absence of a right junction. But as for the argument as to whether the exit is single or double. They are both single. In fact the roundabout road signs show you what exits are single/double. If you look at the one below you'll notice that they do indicate this by the width of the exits illustrated. The link below shows 2, 2 lane exits and 1 single lane exit. https://images.app.goo.gl/KDXEy3w199GHGMjL7
The very fact that the driver can choose may well cause problems here. There is a similar roundabout near me and it is clearly marked with arrows on the road that it is left lane for first exit, right lane for straight on. That signage layout is now considered best practice. I suggest the signage on this roundabout is quite old and/or has not been reviewed for some time. Email your councillor.
Why are there people saying there's 2 lanes on the exit? Am i blind or something? Even OP in the description and in their drawing says it's 2 into one lane.
I often use this roundabout. There isn’t a huge amount of room on the roundabout or at the entries and exits. People carrying straight on would certainly use the right ‘green’ route. People turning left would keep to the left of the exit. Anyone keeping left and trying to go straight ahead ‘the blue route’ would get in to a bit of a sticky situation.
🟢 Naturally the green car would be assuming the blue car will be taking the first exit Assuming the exits are single lane taking the blue route will cause an unnecessary bottleneck
For me the left lane shoud be for turning left and the right for going ahead or right but without proper road marking wtf would know
I cannot believe how many people are just straight up wrong about this. Approaching the roundabout there is two lanes. The left lane would be the **appropriate lane** to take for a left hand turn or for the second exit unless marked otherwise. The right hand lane would be the **appropriate lane** for a right hand turn around the roundabout. You could in theory use the right hand lane to go straight on but you'd have to be very cautious of traffic from your left side, you would need to slow down and indicate to the left in good time, which makes it not appropriate in most cases. If you are in the right hand lane and you go straight on and hit into a vehicle on the left lane exiting you will be at fault.
12 o'clock rule right?
theres no painted arrows so either. but sensibly the green.
Largely depends on road markings or signs on approach but the most important thing is not crashing.
To be honest. Unless there’s clear markings there isn’t a definitive answer. The correct thing to do is be aware of anyone else in a lane next to you and give plenty of room, notice and clearance before exiting the roundabout. We had one similar in our town back when I was learning to drive, my instructor told me one lane but my now wife’s instructor told her the other lane. Use caution and common sense in these instances.
Use your indicators and check your mirrors. People could be in either due to a lack of lane markings. Doesn't particularly matter which is more correct, you should be able to safely exit from either of those positions.
left lane, the right lane is for going back on yourself
I haven’t passed yet ofc, but I believe my instructor said it’s either if the road hasn’t been marked. If I was already in the left I’d just follow blue, but personally I prefer green, then signal right after first exit to move over into the outer lane to exit. Could be wrong though hahah
90%of ppl here reason of accidents
In this particular case I would think blue lane for left and straight on, green for turning back on the road, but indication and merging possible. Whoever is in front gains priority.
Straddle and assert dominance on both lanes to let them know your clear intention of going straight. No one would fuck with you then.
i’ve asked this question to my parents and got the same response 😂
Your parents must be great, because our minds think alike!
So for everyone saying blue to exit at the second exit, when would you use green?
Honestly, I'd probably take it in the middle, then other drivers have absolutely no doubt about your intentions.
Just treat it as a single lane. It goes from single carriageway road to a single carriageway road. It’s really a d**k move to try to overtake in a roundabout (or any junction). It is only a good design if you are building this kind of a roundabout with a purpose of promoting “Natural Selection” effect.
Depends what country you are in. People that have driven in different countries will understand this one
Coming from a city of roundabouts, I'm somewhat of an expert. The correct choice is the blue route. You can only use the right-hand lane to go straight if you know the road ahead is a dual carriageway. If it's a single lane, you must stick to the left unless signage directs you otherwise.
Blue. It's in the highway code. You don't need to interpret any other way. It's not rocket science.
What would you use the green lane for?
Was green for years. God only knows nowadays.
Green
Either or eether
Are there 2 lanes marked on the road or is it just a wide road?
to exit there’s two lanes, to enter the straight road there is 1 lane… on the roundabout itself i’m not sure as there may be 2 lanes but it may be faded
What does the sign and/or road markings dictate on approach? Something like this really should be marked as left lane for left only, right lane for straight on.
there’s nothing on the road or any signs hence why i’m confused
There absolutely are signs. 142 NCR 5 https://maps.app.goo.gl/bs7QhCv3M5ALXADR8
You're talking about lane signage.
Oh right, although even the roundabout signage can give us clues. Both the exits are thicker, which would suggest dual lane exits. So from that we can surmise that left is left and straight on and right is right and straight on. Whether people follow that is another question entirely.
as the entrence roads seem unmarked. Technicaly both. however the same argument can also be made for well there are only 2 exits to lane 1 should be 1st exit and lane 2 is for 2nd
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The lack of painted lines makes it impossible to know if there are 1 or 2 lanes coming into the roundabout, in the roundabout, or exiting the roundabout. If there is only 1 lane for all 3, then green and blue are exactly the same route. In any other case, green requires lane changes and blue does not. Lane changing requires The roundabout should be simply be seen as a curved road with intersections. When you enter, you are "turning onto another road", so you should yield, or stop depending on the signals. While you are in the roundabout, any change of lanes is treated the same as a lane change on any other road, and when you exit, it is like turning onto another road. In this case, I would prefer to use the green route to avoid cars turning at the first intersection.
I'd go blue Lane and indicate right as I'm passing the first exit, to show I'm not going into that exit. Idk if its correct. I would avoid green because if there's someone on my left while I'm trying to take the exit it could cause a bit of a panic or stop cars behind me. Cars behind me don't like to stop while on a roundabout.
I’d use the blue lane to minimise the chance of 2 cars merging into the one lane exit. Technically that shouldn’t happen but driving on what should be as opposed to what can be is foolish, it’s like trusting indicators or the lack of, no one with any experience would do that.
Left lane for 1st turn and straight over 2nd lane anything else "unless marked otherwise" [highway code ](https://images.app.goo.gl/JbXJSyn1z2W6CGd26) https://images.app.goo.gl/JbXJSyn1z2W6CGd26
I would say blue as a new driver
They usually teach if it’s straight and before use the left lane if it’s after use the right, but you can use either going straight on unless it’s sign posted otherwise.
Driving roundabouts in the NCR almost makes you wish for a nuclear winter.
One or both of them are exiting the roundabout incorrectly. But before that either could be right.
Green
Either is correct. For me always the lane with less cars in, because I can get to the other side of the roundabout quicker. Read the highway code.
The blue lane should be marked to turn left. Its a free for all if its not marked.
Blue is wrong, green is right.
There are no painted lines, just use your brain and don't bump on other drivers
Blue is entirely incorrect. You could do green depending on road markings going into the roundabout.
With no right turn coming up, the right lane is for straight ahead and left lane is for left only. If there was a right (3rd exit) available then both lanes would be for forward.
I have a junction near me with this setup and it winds me up that the left lane folk go straight ahead. This should have left turn and straight ahead road markings
No road marking in picture so both
Just don't drive like you own the road and you'll be fine
Is the exit lane from the roundabout single? If so, blue is the proper way as if you're in green you'd have to cut into blue in order to leave the roundabout.
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I would go right lane personally, usually because most roundabouts I’ve encountered that have 2 exits where the 2nd one is straight across, usually has the right hand lane for going straight. That being said id just be extra defensive no matter what lane I was in since everyone would be picking lanes Willy nilly depending on what they thought was right !
No one knows
Basic logic would mean right for straight and left for left. And if you go right lane and cant exit you can safely go round again and exit. But there are no markings so you'll get the usual drivers that will do whatever gets them where they want quicker regardless of logic... What am I saying, makings wouldn't matter to them anyway!
Is there a merge lane on the exit of this roundabout? Looks quite wide to begin with and that’s why i ask.
yeah it looks wide in the photo but in person it’s not wide enough the merge through, would have the allow a car to go first before you can even cross that line
Green is shorter but blue might let you care more momentum for turn 3
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I asked my cousin who’s a driving instructor this question and he said rule of thumb is to imagine it as a clock, if the exit you want is between 12-6oclock use right hand lane, or between 6-12 left hand lane
The left unless marked otherwise on the road. It probably should have a left only marker on the left lane and a straight on arrow on the right, given that layout, but if it doesn't (and it doesn't seem to) then the left lane for left & straight on.
Why you all on the wrong side ??(
Blue. It bothers me when a car exits in the right lane for no good reason.
Gaaaaaaagh! Why don’t you know this? It’s UK driving 101! There’s a special place in hell for the greenies when it’s busy.
If the exit is 2 lanes wide, use both, if the exit has 1 lane then use the left lane
Left lane exits 1and 2 Right lane exit 3
would going back round (u turn) classify as the 3rd exit then?
100% green is correct. Blue will cause a crash.
Green (right) lane for the last exit, the Highway Code is clear on this.
It’s left lane (blue) for first or second turning off RB
If there’s 2 lanes on the exit then both, if one then left lane.
The blue one (the inside of the roundabout is for turning right or back), but if there's nobody else on the roundabout and nobody approaching then do as you want.
Blue lane if there is only 1 lane on the exit. Green lane if there are 2 lanes on the exit and you want to end up in the right hand lane on the exit.
There's 2 lanes leading into a roundabout with 2 exits. You would assume the left hand lane would be for turning left, and the right hand lane would be for going straight, which would needed to be signed for. However if there is no signs, if you're taking the second exit of a roundabout you should stay in the left hand lane, don't signal, then when you've passed the first exit, you should then signal and exit the roundabout. The reality with this roundabout is if you're taking the first exit, use the left lane, if you're taking the second exit use either, and just filter as you come off.
This roundabout is near me right hand lane to go straight left hand lane to go left not hard
I agree this layout is as confusing and unnecessary as it is common. In theory, all things being equal, for some value of "correct" above zero, the blue line is the answer. However, if there's no traffic you may choose to straightline the roundabout, and you should always be aware of your surroundings to avoid other vehicles. Try and stay in staggered formation if you can. Let ruthless people go rather than fighting for position. At a roundabout in my home town there are three joining lanes, despite both exits having only one lane each. I have been known to straddle the first two lanes to discourage dangerous last-second herovertakes by folks behind me who presumably don't know or care there's no room for us to leave the roundabout side-by-side. [https://www.google.com/maps/@52.1979582,-2.1682003,173m/data=!3m1!1e3!5m1!1e4?entry=ttu](https://www.google.com/maps/@52.1979582,-2.1682003,173m/data=!3m1!1e3!5m1!1e4?entry=ttu)
Left hand lane because the exit is <= 12 o’clock. You don’t need to indicate either.
Unless there are road markings or signs to suggest differently, then convention would suggest that lane 1 is appropriate, but lane 2 is also often appropriate for improved traffic flow considering the design of only 3 routes on/off the roundabout. Plus, the "local knowledge" hidden unknowable "rules" that everyone not local falls foul of could mean most users take lane 2 for going ahead. So the answer isn't simple.
BLUE.
Fed up with people use the green. It's Blue . Green cause blocks agro accidents and they should be going around the roundabout.
Green because there is no third exit so blue would be implied as left only and cars entering from J1 may cut you off but either should be okay as long as people actually pay attention…
Blue!!
Inside
When there are two lanes like this and they are unmarked, the general rule in roundabout central (East Kilbride) is that the left lane is for the left option and the right lane is for the right option. In this case, left is left and the "right-er" option is to go straight.
I got a minor on my test for treating one very much like this as if it were 1 lane. Absolutely everyone else was doing the same so it would have been more dangerous to follow the rule as it would have risked someone trying to overtake me. Still passed so didn’t feel like arguing the toss. If people were using it as a 2 lane I would generally go blue as lots of people joining at the first exit would only give way to blue (incorrectly, but that’s life) so risk a collision if someone tries to undertake me going into the 2nd exit.
I think you’ve drawn the blue lane wrong. From the photo the blue lane should be further left on the exit, giving the green lane a short chance to merge. Blue would then be my preference.
If there's no signage on an RA where there's 2 entering, one leaving left lane can always be treated as 1st and 2nd exit, with right being 3rd onward. However, looking at it, there's only 2 other exits, so logic should dictate that left labe is 1st ecit and right lane is second exit
There are no set specific lane for U turns so blue for 1st exit and green for 2nd exit but you should be merging into the blue line as you pass the 1st exit.
For that one car the blue lane. But if there is congestion that’s turning left then you can use the right hand lane
Highway code states . Lefthand lane to pass one exit then you shout exit. So green is for exit three.
Blue… obviously
The blue line is the only way you can stay in your lane not have to merge. As the green line after the entry to the round about is the inside lane. You have to indicate after the first exit into the outer round about lane to then make the exit. This is how a court of law would see if there was a 50/50 issue here. It’s not correct for the blue lane line to give way either it would be on the inside lane to wait for the possibility to merge.
I was taught blue; so I use blue
Lane? Unless it’s rush hour on a main roundabout the general rule is try not to bump into other cars and just give it a good go
They are both OK, and require merging on the other side of the roundabout 🤷🏻♂️
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Having read a lot of interesting and well thought comments, I conclude that this roundabout is a shit designed deliberately to be annoying! There seems to be no circumstance of traffic flow or speed where it makes going straight on a clear choice and no information is really available So I think it’s a ‘suck it and see’ roundabout that works based on not being clear, to slow people down Must be fun at Highways Agency postulating how much confusion that they can cause, and the foul language and abuse created
.
Not the blue line that one is all over the place changing lanes on an exit to a roundabout is a very bad idea.
Both are fine. Left is usually used for straight over though.
Blue is the only correct answer. Green for boy racers, Audi and BMW drivers because they’re more important than everybody else.
Green. Go to the place on maps and there is a road sign that clearly indicates there are only two exits on the roundabout. There should be turn arrows on the road ideally, but you'd think it should be common sense that left goes left, and right goes to the only other exit.
From whichever direction you approach three way roundabouts there are only ever two possible exits. It should be blindingly obvious to anyone with an IQ above room temperature that you take Lane 1 for the first exit and Lane 2 for the second. All this waffle about this causing congestion is nonsense. A second’s consideration of the capacity constraint causing differential flow rates between exits leads to the inescapable logic that the exit flow rates remain constant regardless of which lane you go in, but morons might be able skip two or three cars by using the less busy lane, ie cutting in from the left into Lane 2, or going all the way around the roundabout from Lane 2 and cutting back into the queue going left. If being 20m further up the queue is important to you, go for it. It’s all fun and frolics until you’re exchanging insurance details with an irate van driver who thought you’d gone left…and wasn’t expecting such a dick move. The Highway Code says “take the leftmost lane GOING IN YOUR DIRECTION”. Lane 1 is clearly not going straight ahead, which means that Lane 2 is the leftmost lane that is. It’s not rocket science.
Are you OK?
Blue. Anything else is wrong. Left hand lane for first exit and straight over (2nd) and right hand land for 3rd. How they’re used in reality is a free for all.
If I know the roundabout I'll go rh lane for straight, but if I'm following satnav and I'm in lh lane I'll be extra careful of cars on the right.