01506oam 2200409Ia 450 991070141430332120120306083435.0(CKB)5470000002418938(OCoLC)779313274(EXLCZ)99547000000241893820120306d2011 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierA primer on work zone safety and mobility performance measurement[electronic resource] /[Gerald L. Ullman, Timothy J. Lomax, Tracy Scriba]Washington, D.C. :U.S. Dept.of Transportation, Federal Highway Administration,[2011]1 online resource (vi, 57 pages)"September 2011."Title from title screen (viewed on Mar. 5, 2012).Includes bibliographical references (pages 51-53).Road work zonesUnited StatesSafety measuresRoad work zonesPerformanceUnited StatesRoad work zonesSafety measures.Road work zonesPerformanceUllman Gerald L1404873Lomax Timothy J1407277Scriba Tracy1407278United States.Federal Highway Administration.GPOGPOGPOBOOK9910701414303321A primer on work zone safety and mobility performance measurement3488357UNINA