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08-01-2019, 14:20   #31
emeldc
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Originally Posted by liamog View Post
Offically drivers in the right hand lane shouldn't take the first exit, they should only be taking the 2nd as the exit is before 12 O'Clock and there is not a road marking to indicate that straight is allowed.
That's wrong. There are two exit lanes at the first exit. What do you suppose the second one is for. Do you even know the roundabout.
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08-01-2019, 14:26   #32
GreeBo
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Originally Posted by Seth Brundle View Post
If you look at that roundabout on Streetview, there is a motorcycle guard a short bit ahead of the Google car
Yeah but he is just using the roundabout to go North on the M50?
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08-01-2019, 14:46   #33
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Originally Posted by emeldc View Post
That's wrong. There are two exit lanes at the first exit. What do you suppose the second one is for. Do you even know the roundabout.
The number of exit lanes is immaterial to the rules for using a roundabout.

Traffic entering the roundabout from Dundrum where they would be taking an exit after 12 O'Clock and therefore in the inside lane on the roundabout.
The RSA get's to make up the rules of the road, not the common actions of drivers.
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08-01-2019, 14:47   #34
Wheety
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See this all the time in Liffey Valley too at the Roundabout near B&Q when you turn right to head out onto the Coldcut road. Two lanes leading up to it from the shopping centre, both clearly marked, left hand lane for straight ahead to Tesco and B&Q, right hand lane marked for right turn to head out onto Coldcut road yet 90% of people go round the roundabout in the left hand lane so if you obey the rules of the road and stay in the right hand lane on the roundabout you most likely will have some toolbox beside you in the left lane that you need to exit into when you leave the roundabout.
Yup and I've often been coming from B&Q and turning left towards Coldcut and a taxi will come all the way around (coming from the shopping centre direction) in the left lane, not indicating and then turn off towards Coldcut too.
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08-01-2019, 15:24   #35
emeldc
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Originally Posted by liamog View Post
The number of exit lanes is immaterial to the rules for using a roundabout.

Traffic entering the roundabout from Dundrum where they would be taking an exit after 12 O'Clock and therefore in the inside lane on the roundabout.
The RSA get's to make up the rules of the road, not the common actions of drivers.
Yea whatever. I know the R/A like the back of my hand. But I wont argue with you. You entitled to be wrong if you want to
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08-01-2019, 15:29   #36
realdanbreen
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Keep it simple(and correct)
If you are taking 1st or 2nd exit you stay in left lane
If you are taking any exit after that you stay in right lane.
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08-01-2019, 15:58   #37
tom1ie
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Originally Posted by realdanbreen View Post
Keep it simple(and correct)
If you are taking 1st or 2nd exit you stay in left lane
If you are taking any exit after that you stay in right lane.
Problem being on this particular roundabout there are only two exits, straight ahead for m50 and right for grange road.
So you can’t use the left hand lane for the 2nd exit.
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08-01-2019, 16:10   #38
ILikeBoats
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Originally Posted by Alun View Post
Exactly. It's not just for roundabouts either, but also for traffic light controlled junctions. Driving through an unfamiliar area when it's busy, and the road markings are obscured by traffic is a lottery. One junction it's left lane for left only and right lane for right and straight on, and at the next one it's left lane for left and straight on and right lane is for right only.
This can be very frustrating
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08-01-2019, 16:17   #39
Tchaikovsky
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Originally Posted by tom1ie View Post
There is NO legal way to be in the left hand lane and exit the roundabout on the right hand side.
Strangely enough, I encountered a Garda car doing just that (left lane, right exit) a few months ago.
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08-01-2019, 16:44   #40
liamog
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Originally Posted by emeldc View Post
Yea whatever. I know the R/A like the back of my hand. But I wont argue with you. You entitled to be wrong if you want to

So which feature of the roundabout is allowing you to ignore the keep left rule?
  1. Is the exit after 12 O'Clock? - NO
  2. Are there lane markings indicating that lane 2 (the right lane) can go straight? - NO
  3. Is there a road sign indicating that lane 2 can go straight? - NO
  4. Do traffic conditions dictate otherwise, e.g. such as a long line or road works in the left lane - Possibly
So unless #4 applies, the driver should be on the left, and by not doing so is incorrectly using the roundabout.
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08-01-2019, 16:59   #41
emeldc
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Originally Posted by liamog View Post
So which feature of the roundabout is allowing you to ignore the keep left rule?
  1. Is the exit after 12 O'Clock? - NO
  2. Are there lane markings indicating that lane 2 (the right lane) can go straight? - NO
  3. Is there a road sign indicating that lane 2 can go straight? - NO
  4. Do traffic conditions dictate otherwise, e.g. such as a long line or road works in the left lane - Possibly
So unless #4 applies, the driver should be on the left, and by not doing so is incorrectly using the roundabout.
That feature would be the two exit lanes at the first exit. It never ceases to amaze me that even when something is pointed out to someone in black and white and they still can't see it.
If everyone heading for the M50 was compelled to use the left lane only, the tailback would stretch back to cherrywood! That's why there are two exit lanes. It helps the traffic-flow. They are not there for decoration. Do yourself a favour, if you're ever on it don't use the left lane for the second exit or you might get flattened by a HGV heading for the M50. Trust me!

Edit: There actually are road markings. A dotted white line from the R/A to the ramp. Also the two cars and the cop must be in the wrong lane as well.
https://www.google.com/maps/@53.2702...7i16384!8i8192

Last edited by emeldc; 08-01-2019 at 17:05.
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08-01-2019, 17:41   #42
liamog
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That feature would be the two exit lanes at the first exit. It never ceases to amaze me that even when something is pointed out to someone in black and white and they still can't see it.
If everyone heading for the M50 was compelled to use the left lane only, the tailback would stretch back to cherrywood! That's why there are two exit lanes. It helps the traffic-flow. They are not there for decoration. Do yourself a favour, if you're ever on it don't use the left lane for the second exit or you might get flattened by a HGV heading for the M50. Trust me!

Edit: There actually are road markings. A dotted white line from the R/A to the ramp. Also the two cars and the cop must be in the wrong lane as well.
https://www.google.com/maps/@53.2702...7i16384!8i8192

Why would the traffic stretch back to Cherrywood for the first exit? Drivers would then be following the rule that traffic conditions allow them to use right lane.

It appears we may have crossed wires, I'm not arguing for keep left for the 2nd exit. You should be in the right lane for that as it's clearly after 12 O'Clock. This is why the instructions for roundabouts use the O'Clock system. It doesn't really matter what number the exit, what matters is where it is on the clock face.
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08-01-2019, 21:49   #43
emeldc
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Originally Posted by liamog View Post
Offically drivers in the right hand lane shouldn't take the first exit, they should only be taking the 2nd as the exit is before 12 O'Clock and there is not a road marking to indicate that straight is allowed.
We don’t have crossed wires. Your argument is that drivers in the r/h lane shouldn’t take the first exit. I have shown you with logic and pictures that you are wrong. There is nothing more I can do here. I’m out.
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08-01-2019, 22:25   #44
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I found this in a leaflet from the RSA on roundabout usage



http://www.rsa.ie/Documents/Road%20S...DL_2012_v3.pdf

So it seems the default is to use the left but the right can also be used if needed.
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08-01-2019, 22:48   #45
liamog
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Originally Posted by emeldc View Post
We don’t have crossed wires. Your argument is that drivers in the r/h lane shouldn’t take the first exit. I have shown you with logic and pictures that you are wrong. There is nothing more I can do here. I’m out.

I have said that drivers in the right hand lane should not take the first exit unless
Quote:
4. Traffic conditions dictate otherwise, e.g. such as a long line or road works in the left lane
as per the RSA guidelines. Which I linked and SimonTemplar has rather helpfully snippetted to assist.


You have not been able to provide a reason using photos or logic as to why using the r/h lane is allowed. Repeating the assertion without a source does not make it true.
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