In comparative speed studies made in Pennsylvania it was found that 1955 speeds were 35 mi per hr slower than in 1950, even though posted maximum limit was raised from 50 to 60 mi per hr; percentage of heavy trucks apparently does not affect speed of free flowing traffic; average speed found to be inversely proportional to volume of traffic.


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    Title :

    Effect of speed limit signs


    Additional title:

    Traffic Eng


    Contributors:

    Published in:

    Publication date :

    1957


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English