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asur
Dec 28, 2012
It's implemented in Italy as well under the Tutor System. It's both instaneous through the checkpoints and average between them. Given that people are likely traveling at the speed limit and it presumably resets at each checkpoint, which are I believe 20 - 50 km apart, it's a pretty decent system to control systemic speeding. It's going to miss short durations of speeding, but then so is a cop who is likely to just not be there.

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asur
Dec 28, 2012

Lobsterpillar posted:

The Aus/NZ solution would be all of the above, but give cars a red arrow whenever the ped/cycle phase is triggered.

San Francisco is doing a bunch of these now. Is there data that it actually improves safety in the US? As a cyclist, it seems worse because I'm suppose to be able to assume that cars won't turn right when I have a green light, but anecdotally the number of cars that illegally turn is very high. Previously the bike lane and right turn lane would switch positions and drivers seemed to have a better understanding how to navigate and yield to cyclists.

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