000 00597 a2200241 4500
001 237675
020 _a0-309-08790-2
041 _aeng
080 _aLTRB NCHRP R 518 : 2004
245 _aSafety evaluation of permanent raised pavement markers
250 _a
260 _aWashington, D.C.
260 _bTransportation Research Board
260 _c2004
300 _a54 p.
300 _c28 cm
856 _u
490 _aTRB NCHRP R 518 : 2004
700 _a
650 _a
650 _aHighway safety-human performance, Traffic control, Permanent raised pavement markers
942 _cPP
942 _2UDC
999 _c200703
_d200703