Traffic signals are used at many at-grade junctions, particularly in urban areas, to maximise traffic efficiency and safety by separating conflicting traffic movements in time.
KeywordsTraffic Flow Traffic Signal Advice Note Green Period Stop Line
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- 1.Department of Transport, Requirements for the Installation of Traffic Signals and Associated Control Equipment, Advice Note TA13/81, London (1981)Google Scholar
- 2.Department of Transport, Procedures for the Installation of Traffic Signals and Associated Equipment, Advice Note TA14/81, London (1981)Google Scholar
- 3.Department of Transport, Pedestrian Facilities at Traffic Signal Installations, Advice Note TA15/81, London (1981)Google Scholar
- 4.Department of Transport, General Principles for Control by Traffic Signals, Advice Note TA16/81, London (1981)Google Scholar
© Y. Salter and N. B. Hounsell 1996