NYCDOT has recently released this short video clip (no sound) which shows how lights have been retimed to enhance pedestrian safety. A practice known as Leading Pedestrian Intervals (LPIs) gives those on foot the chance to start crossing before cars get a green light. The idea is that it improves safety by making it clear to drivers that they must give way to the pedestrians before making turns across the crosswalk.
Retiming lights in NYC to improve pedestrian safety
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