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    Economic Evaluation of Signal Preemption Projects

    Source: Journal of Transportation Engineering, Part A: Systems:;1999:;Volume ( 125 ):;issue: 002
    Author:
    Snehamay Khasnabis
    ,
    Rama K. Rudraraju
    ,
    Mirza F. Baig
    DOI: 10.1061/(ASCE)0733-947X(1999)125:2(160)
    Publisher: American Society of Civil Engineers
    Abstract: Preemption techniques are designed to provide preferential treatments to buses at signalized intersections. A preemption strategy, if properly designed, can provide continuous green phases to buses at successive intersections, thereby reducing delays and travel times along the bus-street. It can also potentially increase delays and travel times along the cross street. A procedure for economic evaluation of preemption projects is presented in this paper, followed by a case study demonstration. It is a variation of benefit-cost analysis that provides an estimate of the maximum investment that can be justified in a signal preemption project by way of savings in delay, fuel consumption, and emissions. The TRAF-NETSIM model was used to assess the operational consequences of signal preemption. The procedure is found viable and the case study results appear to be reasonable, and sensitive to changes in interest rates and project lives.
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      Economic Evaluation of Signal Preemption Projects

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/37169
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    • Journal of Transportation Engineering, Part A: Systems

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    contributor authorSnehamay Khasnabis
    contributor authorRama K. Rudraraju
    contributor authorMirza F. Baig
    date accessioned2017-05-08T21:03:46Z
    date available2017-05-08T21:03:46Z
    date copyrightMarch 1999
    date issued1999
    identifier other%28asce%290733-947x%281999%29125%3A2%28160%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/37169
    description abstractPreemption techniques are designed to provide preferential treatments to buses at signalized intersections. A preemption strategy, if properly designed, can provide continuous green phases to buses at successive intersections, thereby reducing delays and travel times along the bus-street. It can also potentially increase delays and travel times along the cross street. A procedure for economic evaluation of preemption projects is presented in this paper, followed by a case study demonstration. It is a variation of benefit-cost analysis that provides an estimate of the maximum investment that can be justified in a signal preemption project by way of savings in delay, fuel consumption, and emissions. The TRAF-NETSIM model was used to assess the operational consequences of signal preemption. The procedure is found viable and the case study results appear to be reasonable, and sensitive to changes in interest rates and project lives.
    publisherAmerican Society of Civil Engineers
    titleEconomic Evaluation of Signal Preemption Projects
    typeJournal Paper
    journal volume125
    journal issue2
    journal titleJournal of Transportation Engineering, Part A: Systems
    identifier doi10.1061/(ASCE)0733-947X(1999)125:2(160)
    treeJournal of Transportation Engineering, Part A: Systems:;1999:;Volume ( 125 ):;issue: 002
    contenttypeFulltext
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