TY  - BOOK
T1  - Traffic control devices, visibility, and rail-highway grade crossings, 2005.
T2  - Transportation research record
LA  - English
PP  - Washington, D.C.
PB  - Transportation Research Board
YR  - 2005
UL  - https://tuklas.up.edu.ph/Record/UP-99796217609808608
OP  - 127
NO  - "Journal of the Transportation Research Board."
NO  - "A peer-reviewed publication."
CN  - TA1001.5 T7 no. 1918
SN  - 0309093910
KW  - Traffic signs and signals : Congresses.
KW  - Electronic traffic controls : Congresses.
KW  - Roads : Visibility : Congresses.
KW  - Highway-railroad grade crossings : Safety measures : Congresses.
KW  - Railroad crossings. : Safety measures : Congresses.
KW  - Traffic safety : Congresses.
ER  -