TY  - BOOK
AU  - Conley,Charles F.
ED  - Michigan.
TI  - Accident analysis and cost justfification: left side pennant sign - US - 12 : supplmentary report to study of no-passing zone signing
PY  - 1970///
CY  - S.l.
PB  - Michigan Department of State Highways
KW  - Traffic accidents
KW  - Costs
ER  -