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xkcd #2929: Good and Bad Ideas
(imgs.xkcd.com)
Alt text:
While it seemed like a fun prank at the time, I realize my prank fire extinguishers full of leaded gasoline were a mistake.
I hadn't considered that. I was still pretty car-brained when i watched the cgp grey video on them, but now that you mention it, i definitely agree
This is expensive to address because you have to separate cyclists out to the right before the right car lane splits for right turns before the crossover. And then you have to build a bridge or tunnel for cyclists and pedestrians. On each side.
Really, any road busy enough to justify a diverging diamond probably already needed separated bike lanes. But in America (motto: "If you aren't in a car, you don't matter"), there almost certainly was not any cycling infrastructure there before.
There is one of these near me. Their solution for pedestrians is to make them cross the high speed outer lanes four times (where drivers are encouraged to not slow down). Their solution for cyclists is take the lane and pray or get off and do what the pedestrians have to do.
Edited for clarity: pedestrians cross four times, not drivers are encouraged to not slow down four times.
Wtf, thats insane
To be clear, it is four times that pedestrians have to cross, not four times that drivers are encouraged to not slow down. Drivers are not explicitly encouraged to not slow down, but the point of the diverging diamond is to make drivers not have to slow down.
Ohhh, thanks for the clarification ๐