000			00480cam a2200145 a 4500
020			_a0309037611 (pbk.) :
082	0	0	_a625.760289 _bNAT
245	0	0	_aWork-zone safety and maintenance management.
260			_aWashington, D.C. : _bTransportation Research Board, National Research Council, _c1984.
300			_aiv, 39 p. : _bill. ; _c28 cm.
650		0	_aRoads _xMaintenance and repair _xSafety measures.
650		0	_aMCE
710	2		_aNational Research Council (U.S.).
942			_cBK
999			_c7871 _d7871