This paper proposes the traffic signal optimization design for the street crosswalk between coordinated adjacent intersections. The design has taken the pedestrian waiting tolerance limit time into consideration as one of the constraint conditions to obtain the pedestrian green phase duration. If the green phase duration is not sufficient for pedestrian crossing safety, the methods of twice crossing street or two chances of crossing can be applied according to different situations. The common red time of two intersections is analyzed to build delay functions by using of motorcade dispersion and traffic flow rate relationship, and timing optimization parameter can be worked out to minimize the total vehicle delay, thus determining signal phase difference. The result shows that this design may ensure the pedestrian safety and reduce the pedestrian delay.


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    Title :

    Signal Optimization Design of the Mid-Block Crosswalk



    Published in:

    Applied Mechanics and Materials ; 178-181 ; 2708-2712


    Publication date :

    2012-05-14


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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