U.S. STANDARD FOR THE COLOR OF SIGNAL LIGHTS
A NATIONAL BUREAU OF STANDARDS HANDBOOK HAS BEEN DRAFTED FOR THE U.S. STANDARD FOR THE COLORS OF SIGNAL LIGHTS. THE STANDARD IS DESIGNED TO: (1) BRING U.S. SPECIFICATIONS FOR SIGNAL LIGHT COLORS INTO AGREEMENT WITH THE RECOMMENDATIONS OF THE INTERNATIONAL COMMISSION ON ILLUMINATION, (2) ELIMINATE MEANINGLESS DIFFERENCES AMONG THE SPECIFICATIONS ISSUED BY DIFFERENT ORGANIZATIONS IN THIS COUNTRY, AND (3) SET UP A TECHNICALLY SOUND BASIS ON WHICH RELATIVELY BRIEF PROCUREMENT SPECIFICATIONS CAN BE BASED. THE STANDARD RECOMMENDS THE ADOPTION OF AN INTERMEDIATE RED FOR THE THREE SPECIFICATIONS THAT CONTROL THE COLORS OF MOST OF THE RED SIGNAL LIGHTS. THE RANGE OF YELLOW COLORS PERMITTED AT PRESENT ARE MADE STANDARD IN THE ADOPTION OF ONE TRAFFIC SIGNAL YELLOW.
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Supplemental Notes:
- Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
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Authors:
- Breckenridge, F C
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Conference:
- 41st Annual Meeting of the Highway Research Board
- Location: Washington DC, United States
- Date: 1962-1-8 to 1962-1-12
- Publication Date: 1962
Media Info
- Media Type: Digital/other
- Pagination: pp 102-103
- Monograph Title: Night visibility 1962
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Serial:
- Highway Research Board Bulletin
- Issue Number: 336
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Color; Red interval (Traffic signal cycle); Signal lights; Standards; Yellow interval (Traffic signal cycle)
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00220124
- Record Type: Publication
- Files: TRIS, TRB, ATRI
- Created Date: Aug 5 1994 12:00AM