As development in urban and suburban areas throughout the country continues to increase, the resulting traffic often leads to increased delays and congestion. Building on the Cross-Jurisdictional Signal Coordination Case Studies, this report includes five case studies from around the country that showcase how agencies within various sized regions work together to achieve traffic signal coordination across multiple agency boundaries within a region.
The report presents the details of a study carried out to test and implement a dilemma zone protection technique at three high-speed closely-spaced in...
The area close to a signalized intersection,called the dilemma zone, poses a high accidentpotential for the driver in stopping safely during theyellow...
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United States Department of Transportation
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