Traffic control devices, visibility, and highway-rail grade crossings, 2010.

Bibliographic Details
Corporate Author:	National Research Council (U.S.). Transportation Research Board
Format:	Book
Language:	English
Published:	Washington, D.C. : Transportation Research Board, 2010.
Series:	Transportation research record ; 2149.
Subjects:	Road markings > Congresses. Traffic signs and signals > Congresses. Highway-railroad grade crossings > Congresses. Traffic control devices. visibility. Railroad grade crossings.
Online Access:	http://trb.metapress.com/content/j351601893m2/

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