Use of either full clover leaf system or multilevel interchange structures at junctions is not yet generally accepted in Great Britain; two level roundabout design with roundabout carried over highway by two bridges and connected to it by system of slip roads; 500-ft minimum length for accelerating lanes and for decelerating lanes 400 ft is acceptable; 3-mi minimum spacing of junctions and maximum 12 mi are desirable but in future average 7 mi spacing is likely. (See also Surveyor v 119 n 3534 Feb 27 1960 p 211-12)


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    Title :

    Junction design on motorways


    Additional title:

    Roads Road Construction


    Contributors:
    Smith, J.G. (author)

    Published in:

    Roads and Road Construction ; 38 , n 448 ; p 106-109


    Publication date :

    1960


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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