why no left turn at intersection

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Re: why no left turn at intersection

Postby sketch » Wed Jan 29, 2014 12:46 am

Champs have to submit each occurrence manually, so the best data is gonna come from things you personally experienced. If any of y'all come across one of these yourself, leave a UR and make note of the time/date and your approximate route at that time, then post all that here, if you like.
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Re: why no left turn at intersection

Postby aplycon » Wed Jan 29, 2014 1:00 am

sketch wrote:Champs have to submit each occurrence manually, so the best data is gonna come from things you personally experienced. If any of y'all come across one of these yourself, leave a UR and make note of the time/date and your approximate route at that time, then post all that here, if you like.


How about URs that others have posted that fit the same problem?

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Re: why no left turn at intersection

Postby sketch » Wed Jan 29, 2014 1:49 am

Feel free to post those, too. Since the UR is all we have to go on in those cases, ask the reporter for more information and leave a note in your question asking other editors to leave it open.
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Re: why no left turn at intersection

Postby aplycon » Wed Jan 29, 2014 4:44 am

Last edited by aplycon on Mon Feb 03, 2014 1:44 am, edited 9 times in total.
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Re: why no left turn at intersection

Postby slandrum » Wed Jan 29, 2014 7:08 am

I've seen right then U instead of left, straight then U then right instead of left, right then U then right instead of straight, and lots of variations of around the block routing. One that I encounter myself about once/week is a straight then U then right instead of left.

Whenever I encounter this, traffic is heavy or has been recently, but generally hasn't been heavy for more than 1/2 hour. Waze is seeing that the left turn is slow, but has no idea that the U-turn it's asking me to make will be even worse. Depending on the light cycle, I can sometimes make the left before I could have gone straight, but that's just timing when I reach the intersection.
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Re: why no left turn at intersection

Postby slandrum » Wed Jan 29, 2014 11:48 pm

Here's a permalink that contains a UR of right then U then right instead of straight.

https://www.waze.com/editor/?lon=-117.7 ... TT&env=usa
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Re: why no left turn at intersection

Postby CBenson » Thu Jan 30, 2014 5:56 pm

Another example is raised here.
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Re: why no left turn at intersection

Postby slandrum » Thu Jan 30, 2014 7:44 pm

Here is another UR with right then U-turn instead of left turn.

https://www.waze.com/editor/?lon=-117.7 ... TT&env=usa
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Re: why no left turn at intersection

Postby slandrum » Thu Jan 30, 2014 8:52 pm

There are a couple more URs at this location where people were directed to turn right, then make a U-turn instead of a left turn.

https://www.waze.com/editor/?lon=-117.6 ... TT&env=usa
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Re: why no left turn at intersection

Postby SlowlySlowly » Fri Jan 31, 2014 3:25 am

detour.png
detour.png (33.08 KiB) Viewed 696 times

permalink

I started a different thread on this, but after stewing about it I think this may be the same problem; needlessly avoiding left turns.

This is a drive I do two to three times daily. This was at a low traffic time with no visible alerts. Instead of a left at the light, Waze made several valiant different attempts to route me around this intersection. This was the simplest of the bad options consisting of a right, left at a stop sign and then straight on back through the same intersection.
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