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Traffic Signals
LED Traffic Signals
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
Road Traffic Safety
TRAFFIC SAFETY: Megabus to create safer drivers with GreenRoad systems
May 11, 2016
Safety
ROADS/BRIDGES: New silver alerts coming to Washington electronic signs
Aug. 21, 2015
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