Review of American Standard for Railroad Highway Grade Crossing Protection (D8.1-1943) which provides additional safety for such crossings by recommending automatically operated gates wherever railroad and highway traffic is heavy enough to warrant them; gates are designed to be lowered at predetermined interval after signal begins to operate. (See also Indus Standardization v 14 n 7 July 1943 p 214-6)


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Signals for safety at railroad-highway crossings


    Weitere Titelangaben:

    Ry Signaling


    Beteiligte:
    Heilman, L.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1943


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Signals for safety at railroad-highway crossings

    Heilman, L.C. | Engineering Index Backfile | 1943


    Safety of Highway-Railroad Grade Crossings

    A. S. Rapoza / T. G. Raslear / E. J. Rickley | NTIS | 1999


    Making highway-railroad crossings safer

    Benesch, A. | Engineering Index Backfile | 1938


    Making highway-railroad crossings safer

    Benesch, A. | Engineering Index Backfile | 1938


    Freight Car Reflectorization. Safety of Highway-Railroad Grade Crossings

    A. A. Carroll / J. Multer / D. Williams et al. | NTIS | 1999