TY  - BOOK
ED  - National Research Council (U.S).
TI  - Transportation system management and signal systems
SN  - 030903910X (pbk.) :
AV  - TE7HE332 .H5 no. 1021
U1  - 380.5 s388.3/122�19 
PY  - 1985///
CY  - Washington, D.C.
PB  - Transportation Research Board, National Research Council
KW  - Traffic engineering
KW  - Traffic signs and signals
N1  - Reports prepared for the 64th TRB annual meeting
ER  -