Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures (0-4447-S)
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
Keywords:
Procedures for Pedestrian Signal Heads
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 Publication Services at pubquest@ttimail.tamu.edu.
