Traffic control devices, visibility, and rail-highway grade crossings 2002.

Библиографические подробности
Корпоративные авторы:	National Research Council (U.S.). Transportation Research Board, National Research Council (U.S.). Transportation Resear
Формат:	‌
Язык:	английский
Опубликовано:	Washington, D.C. Transportation Research Board 2002.
Серии:	Transportation research record: highway operations, capacity, and traffic control no. 1801.
Предметы:	Traffic signs and signals > Congresses. Roads > Visibility > Congresses. Highway-railroad grade crossings > Safety measures > Congresses. Railroad crossings. > Safety measures > Congresses. Traffic safety > Congresses. Roads > Design and construction > Safety measures > Congresses.