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

Bibliographische Detailangaben
1. Verfasser:	Hanscom, Fred R.
Körperschaften:	National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
Format:	Buch
Sprache:	English
Veröffentlicht:	Washington, D.C. Transportation Research Board, National Research Council [1981]
Schriftenreihe:	Report (National Cooperative Highway Research Program) 235.
Schlagworte:	Traffic signs and signals. Traffic safety.