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The National Academies

NCHRP 20-07/Task 035 [Completed]

Review of Traffic Signal Intensity Standards
[ NCHRP 20-07 (Research for AASHTO Standing Committee on Highways) ]

  Project Data
Funds: 75000
Research Agency: JMJ Research
Effective Date: 12/15/1988
Completion Date: 3/14/1990

Task 35, FY 1988, "Review of Traffic Signal Intensity Standards" (JMJ Research). This task was requested by the AASHTO Subcommittee on Traffic Engineering. The objectives were to review existing traffic signal intensity standards and to prepare a report which can serve as a basis for the Institute of Transportation Engineers (ITE) to update and/or revise their standards of Vehicle Control Signal Heads to better meet in-serve performance requirements. The Manual on Uniform Traffic Control Devices (MUTCD) incorporates the intensity, light distribution, and color standards by reference to this ITE standard. This 12-month task was completed in March 1990.

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