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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    Titel :

    "Hump" tunnel in penn central yard


    Weitere Titelangaben:

    Civ Eng (NY)


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1969


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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