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j_parkour t1_ivh19cl wrote

Reply to comment by ik1nky in Cambridge City Council to consider citywide ban on ‘turning on red’ by superfakesuperfake

Interesting. I'll have to check that out. I had thought Cambridge had a policy to have no sensors and have everything run on a fixed timer.

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jeffbyrnes t1_iwdljgs wrote

The policy is that there are no “beg buttons” for pedestrian crossings, except at mid-block crossings, to ensure pedestrians always get an opportunity to cross during each light cycle.

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j_parkour t1_iwmiqlo wrote

That's true. But vehicle sensors can still be useful. Shortening a left arrow based on a sensor will allow a pedestrian light to come on sooner. And a side street sensor can cause the pedestrian light to change to flashing don't walk once traffic has cleared and pedestrians have been given adequate time.

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jeffbyrnes t1_iwmx57n wrote

Agreed! I’m not aware of any sensor usage, but also don’t know if there’s any policy against sensor usage. Enforcement cameras remain illegal in MA however.

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