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Traffic Signals

Signal Preemption Systems

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Road Traffic Safety

Real-time adaptive signals aiding traffic flow in Pima County, Az.

Nov. 15, 2018

The Arizona DOT installed the adaptive timing system this summer and is already seeing improvements

Transportation Management

TRAFFIC SIGNALS: Austin, Texas, going mobile with signal timing

Aug. 29, 2014

Transportation Management

TRANSIT: Signal-priority technology accelerating bus travel in San Francisco

April 29, 2014