Traffic Signal Timing Manual

Traffic Signal Timing Manual

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Original publisher: [Washington, D.C.]: U.S. Department of Transportation, Federal Highway Administration, [2008] OCLC Number: (OCoLC)733048637 Subject: Traffic signs and signals -- Handbooks, manuals, etc. Excerpt: ... Early Return to Green A term used to describe the servicing of a coordinated phase in advance of its programmed begin time as a result of unused time from non-coordinated phases. Effective green time The time during which a given traffic movement or set of movements may proceed; it is equal to the cycle length minus the effective red time. Effective red time The time during which a given traffic movement or set of movements is directed to stop; it is equal to the cycle length minus the effective green time. Effective walkway width The width, in feet, of a walkway usable by pedestrians, or the total walkway width minus the width of unusable buffer zones along the curb and building line. Exclusive pedestrian phase An additional phase that is configured such that no vehicular movements are served concurrently with pedestrian traffic. See also, Barnes Dance. Exclusive turn lane A designated left-or right-turn lane or lanes used only by vehicles making those turns. Extend A detector parameter that extends a detector actuation by a setable fixed amount. It is typically used with detection designs that combine multiple advance detectors and stop-line detection for safe phase termination of high-speed intersection approaches. Field Implementation A term used to describe the installation of new signal timings in the controller and the review of traffic operations at the intersection. Fixed Force Off A force off mode where force off points cannot move. Under this mode, non-coordinated phases can utilize unused time of previous phases. Fixed Time Signal Control A preset time is given to each movement every cycle regardless of changes in traffic conditions. Flashing Don't Walk An indication warning pedestrians that the walk indication has ended and the do...Field Implementation A term used to describe the installation of new signal timings in the controller and the review of traffic operations at the intersection. Fixed Force Off A force off mode where force off points cannot move.


Title:Traffic Signal Timing Manual
Author: U.S. Government
Publisher:Books LLC - 2011-09
ISBN-13:

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