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  • 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
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