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

Bibliografische gegevens
Hoofdauteur:	Hanscom, Fred R.
Coauteurs:	National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Washington, D.C. Transportation Research Board, National Research Council [1981]
Reeks:	Report (National Cooperative Highway Research Program) 235.
Onderwerpen:	Traffic signs and signals. Traffic safety.