| 000 | 00477 a2200241 4500 | ||
|---|---|---|---|
| 001 | 315764 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLTRB TRR 488 : 1974 | ||
| 245 | _aSafety appurtenances | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bTRB | ||
| 260 | _c1974 | ||
| 300 | _a93 p. | ||
| 300 | _c | ||
| 856 | _uTRB | ||
| 490 | _aTRB TRR 488 : 1974 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aHighway design , Bridge design , Highway safety | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c263195 _d263195 |
||