Traffic control devices for highways, work zones, and railroad grade crossings, 1990

Traffic control devices for highways, work zones, and railroad grade crossings, 1990

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Bibliographische Detailangaben
Körperschaft: National Research Council (U.S.) Transportation Research Board (BerichterstatterIn)
Format: UnknownFormat
Sprache:eng
Veröffentlicht: Washington, D.C Transportation Research Board, National Research Council 1990
Schriftenreihe:Transportation research record 1254
Schlagworte:
Traffic signs and signals > Roads > Design and construction > Maintenance and repair > Railroad crossings > Safety measures
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Beschreibung
Beschreibung:Reports prepared for the 69th annual meeting of the Transportation Research Board, Jan. 1990
Includes bibliographical references
Beschreibung:v, 90 p
ill
28 cm
ISBN:0309050065
0-309-05006-5