955 resultados para Highway-railroad grade crossings


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Transportation Department, Research and Special Programs Administration, Washington, D.C.

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Mode of access: Internet.

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"Guidelines for the relief of other hazards ... will be issued in the future through loose leaf additions to this handbook."

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Bibliography: p. 34.

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Federal Highway Administration, Office of Research and Development, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Washington, D.C.

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Printer varies.

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"Together with the annual report of the railroad companies in this state for ... ; to which are added leading statistics prepared by the Commissioners" (varies)