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

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

Opis bibliograficzny
1. autor: Hanscom, Fred R.
organizacja autorów: National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
Format: Książka
Język:English
Wydane: Washington, D.C. Transportation Research Board, National Research Council [1981]
Seria:Report (National Cooperative Highway Research Program) 235.
Hasła przedmiotowe:
Traffic signs and signals.
Traffic safety.