The visibility and comprehension of pedestrian traffic signals : summary report
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1997-06-01
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NTL Classification:NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control Devices;NTL-SAFETY AND SECURITY-Highway Safety;
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Abstract:The research objectives were to determine performance criteria for acceptable pedestrian signal visibility and to study the comprehension of innovative and standard pedestrian signals. Two field studies and a video questionnaire were designed and implemented to test the visibility and comprehension of pedestrian signals. The rationale of these studies was threefold: (1) to examine the possible use of innovative symbols and red/green pedestrian signals; (2) to test the use of newer, energy-efficient technologies such as fiber-optics (FO) and light-emitting diodes (LED); and (3) to develop a performance-based visibility standard for pedestrian signals.
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