Cost-effective traffic management

Staff at traffic management centers use real-time traffic data to control signal timing, variable message signs, and other traffic control devices on heavily traveled corridors. Photos: PBS&J

Properly phased and timed traffic control devices are one of the most cost-effective means to enhance the performance of a particular corridor and reduce congestion.

The interface between major highways and city or residential streets is often a traffic sore spot; this complex intersection has been laid out carefully and striped to help avoid accidents.

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