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Chewbot posted:I suspect it would be a bit anticlimactic because the cars will never use anything but the outermost lane even if traffic is backed up for miles. 
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Mar 16, 2015 20:45
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Chewbot posted:Ooh, that is interesting. I wonder what makes them use the inner circle. It's plausible that it finds a shorter path through the middle of the roundabout than going around the outside and prioritizes that. It's big enough that some traffic will find shorter routes along the outside while others are shorter through the middle. I bet it holds up well in high density traffic! A shorter path through the middle is exactly what happens. It is fun to look at, but I don't think it holds up as well as a non-roundabout interchange. (At least, for this particular design of it.) I think we'll need some more advanced road tools for setting right-of-ways and lanes to get it working well. Here's what I replaced it with: 
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Mar 16, 2015 21:11
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Breetai posted:Could you give an example of this in situ in a functioning city? My head is spinning just looking at it. The High Five in Dallas is pretty similar, except one of the highways is at an angle and goes under the surface streets instead. Plus some extra ramps for the HOV lane: https://www.youtube.com/watch?v=gSaUAC7cbOY
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Sep 9, 2015 18:07
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