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I am curious at what traffic levels roundabouts stop being more efficient. I know in Cities Skylines, the roundabouts will deadlock over a certain traffic level
by cortesoft 4y ago
I am curious at what traffic levels roundabouts stop being more efficient. I know in Cities Skylines, the roundabouts will deadlock over a certain traffic level.
Like, would roundabouts work on the 4 lane roads that are always packed with traffic here in Los Angeles?
- bsagdiyev 4y agoDoubtful. The roundabouts placed in some places in the IE still had people going the wrong way and just generally not understanding how they worked. You'd need to do education along with implementation for something like that to help. Personally I doubt it would help traffic in any significant manner but who knows.
- toast0 4y agoRoundabouts are best with a range of traffic from very sparse to intermittent. Always packed from all directions doesn't work because throughput is structurally limited and worst case wait time is infinite. It's kind of like a cloverleaf junction, very functional until you hit capacity limits, then not very functional. In most of the Los Angeles area, there's not room to drastically expand intersections to build usable roundabouts, compressed roundabouts are even worse at throughput. Multilane roundabouts exist, but they're tricky to navigate and would be tough to have high throughput for if most people want to continue traveling in the same direction after the intersection.