Yazar
r w lyles
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Cilt sonuçları
Communicating changes in horizontal alignment
R. W. Lyles · Transportation Research Board
35 sayfa · 2006
Traffic signs and signals / Traffic safety / Traffic engineering
Alternative sign sequences for work zones on rural highways
R. W. Lyles · National Technical Information Service [distributor
54 sayfa · 1981
Traffic signs and signals / Safety measures / Roads / Testing / Traffic engineering
Evaluation of speed monitoring systems
R. W Lyles · U.S. Dept. of Transportation, Federal Highway Administration, Office of Highway Planning
118 sayfa · 1980
Evaluation / Radar in speed limit enforcement / Detectors / Speed limits
Effective warning devices for parked/disabled vehicles
R. W. Lyles · National Technical Information Service [distributor]
Sayfa sayısı yok · 1980
Traffic signs and signals / Disabled vehicles on express highways