AggieJM wrote:What is the easiest way to prohibit a "u-turn" at an intersection on a divided road?
This is the location in question:
https://www.waze.com/cartouche_old/?zoo ... FFFFFFTTTT
In this example, I could just block the turns on the small connecting road section. But if there were parking lot roads (or actual side streets) at that intersection, that would potentially block the allowed turns.
PhantomBlack wrote:bgodette wrote:A third solution, probably most error prone and confusing, is to used stacked two-way roads with appropriate turn restrictions. You have to temporarily modify their geometry enough to set turn restrictions correctly, but it does work.
I changed my intersection to this option I like the look over the bow tie. I tried to do like this at first but had problems getting the roads to stack. After reading your post I tried again and figured it out not to hard if you draw the second street out to give you a triangle while you adjust turn restrictions then up it's level and drop it over the original street.
fvwazing wrote:Someone should make an effort in categorizing different types of crossings... however, for the T-crossing with three divided roads (call it a 2-2-2-crossing?), there is an elegant solution. Meet:
"The triangle of no U-Turn"
Not only does it use 1 segment less than the original, it also works with only 3 turnrestrictions. All routinginstructions as expected and no hidden segments.
PhantomBlack wrote:I agree it can confuse future editors although unlike the bow tie it is well hidden and may not draw the attention.
PhantomBlack wrote:I will probably just replace the bow ties with dual cross streets and hope for the best any thoughts?
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