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You are here: Home / Publications / Catalog Search / Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures

Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures

Full-Text PDF

Author(s):

M.D. Finley, A.J. Holick

Publication Date:

July 2004

Abstract:

Despite the widespread use of light emitting diodes (LEDs) in pedestrian signal heads, concerns exist about the lack of clear, consistent visibility performance requirements upon which to base purchase specifications. This report summarizes research conducted by the Texas Transportation Institute (TTI) to develop measurable visibility performance requirements for pedestrian signal heads, as well as test methods to verify compliance with these requirements.

Report Number:

0-4447-S

Electronic Link(s):

Document/Product

http://tti.tamu.edu/documents/0-4447-S.pdf

Publication/Product Request

TTI reports and products are available for download at no charge. If an electronic version is not available and no instructions on how to obtain it are given, contact the TTI Library.

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