Transportation system management and signal systems.
Transportation system management and signal systems.
- Washington, D.C. : Transportation Research Board, National Research Council, 1985.
- iv, 58 p. : ill.
- Transporatation research record ; 1021 .
Reports prepared for the 64th TRB annual meeting.
030903910X (pbk.) : $8.60
Traffic engineering.
Traffic signs and signals.
TE7 HE332 / .H5 no. 1021
380.5 s 388.3/122�19
Reports prepared for the 64th TRB annual meeting.
030903910X (pbk.) : $8.60
Traffic engineering.
Traffic signs and signals.
TE7 HE332 / .H5 no. 1021
380.5 s 388.3/122�19