000 | 00553 a2200241 4500 | ||
---|---|---|---|
001 | 273234 | ||
020 | _a | ||
041 | _aeng | ||
080 | _aLTRB NCHRP SHP 139 : 1988 | ||
245 | _aPedestrians and traffic-control measures | ||
250 | _a | ||
260 | _aWashington, D.C. | ||
260 | _bTransportation Research Board | ||
260 | _c1988 | ||
300 | _a76 p. | ||
300 | _c | ||
856 | _u | ||
490 | _aTRB NCHRP SHP 139 : 1988 | ||
700 | _a | ||
650 | _a | ||
650 | _aTransportation safety, Human factors, Operations and traffic control | ||
942 | _cPP | ||
942 | _2UDC | ||
999 |
_c228947 _d228947 |