Electronic control system incorporating stored program digital computer serves as hub of operations in new freight classification yard in Selkirk, NY; key feature of yard is man-made hill down which cars are shunted for switching into proper classification sidings to make up freight trains; hump is 29 ft high and includes escape underpass for vehicular and train traffic; hump tunnel is 236 ft long and is formed from corrugated steel plates of one-gage thickness; lapped seams are fastened with 3/4 in. diam high-strength bolts. (30625)


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    Title :

    "Hump" tunnel in penn central yard


    Additional title:

    Civ Eng (NY)


    Contributors:

    Published in:

    Civil Engineering (New York) ; 39 , n 5 ; p 59-61


    Publication date :

    1969


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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