Effectiveness of changeable message displays in advance of high-speed freeway lane closures

Библиографические подробности
Главный автор:	Hanscom, Fred R.
Корпоративные авторы:	National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
Формат:	‌
Язык:	English
Опубликовано:	Washington, D.C. Transportation Research Board, National Research Council [1981]
Серии:	Report (National Cooperative Highway Research Program) 235.
Предметы:	Traffic signs and signals. Traffic safety.