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

ग्रंथसूची विवरण
मुख्य लेखक: Hanscom, Fred R.
निगमित लेखकों: National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Washington, D.C. Transportation Research Board, National Research Council [1981]
श्रृंखला:Report (National Cooperative Highway Research Program) 235.
विषय:
Traffic signs and signals.
Traffic safety.