Obálka

Traffic control devices, visibility, and rail-highway grade crossings, 2004.

Podrobná bibliografie
Korporace: National Research Council (U.S.). Transportation Research Board, National Research Council (U.S.). Transportation Research Board. Meeting
Médium: Kniha
Jazyk:angličtina
Vydáno: Washington, D.C. National Academy Press 2004.
Edice:Transportation research record no. 1862.
Témata:
Traffic signs and signals > Congresses.
Electronic traffic control > Congresses.
Roads > Visibility > Congresses.
Highway-railroad grade crossings > Safety measures > Congresses.
Railroad crossings. > Safety measures > Congresses.
Traffic safety > Congresses.