TY  - BOOK
AU  - Yauch,Peter J.
ED  - American Association of State Highway and Transportation Officials.
ED  - United States.
TI  - Traffic signal control equipment: state of the art 
SN  - 0309049172 :
AV  - TE228 .Y38 1990
U1  - 625.794 20
PY  - 1990///]
CY  - Washington, D.C.
PB  - Transportation Research Board, National Research Council
KW  - Electronic traffic controls
N1  - "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."; "December 1990."; Includes bibliographical references (p. 40)
ER  -