Transcription of Chapter 1330 Traffic Control Signals
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WSDOT Design Manual M Page 1330-1 July 2018 Chapter 1330 Traffic Control Signals General Procedures Intersection Design Considerations Conventional Traffic signal Design Preliminary signal Plan Operational Considerations for Design Documentation References General Traffic Control Signals are automated Traffic Control devices that warn or direct motorists to take a specific action. Traffic Control Signals are used to Control the assignment of right of way at locations where conflicts with motorists, bicyclists, and pedestrians exist or where passive devices such as signs and markings do not provide the necessary flexibility of Control to move motorists, bicyclists, and pedestrians in an efficient manner. The decision to install a Traffic signal is the result of an Intersection Control Evaluation (ICE) (see Chapter 1300) that is approved by the region Traffic Engineer or other designated authority.
Chapter 1330 Traffic Control Signals WSDOT Design Manual M 22-01.15 Page 1330-3 July 2018 1330.02(2) Responsibility for Funding, Construction, Maintenance, and
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