01792oam 2200469Ia 450 991069967270332120230902161716.0(CKB)5470000002404207(OCoLC)220240468(EXLCZ)99547000000240420720080405d2007 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierMethods for maintaining traffic sign retroreflectivity[electronic resource] /Paul J. Carlson and Matt S. LupesMcLean, VA :U.S. Dept. of Transportation, Federal Highway Administration, Office of Research, Development, and Technology,[2007]1 online resource (v, 41 pages) illustrations (chiefly color)Title from title screen (viewed on Jan. 31, 2011)."November 2007.""Publication no. FHWA-HRT-08-026.""HRDS-05/11-07(WEB)E."Includes bibliographical references (pages 37-41).Traffic signs and signalsUnited StatesMaintenance and repairReflectanceTraffic signs and signalsMaintenance and repair.Reflectance.Carlson Paul J(Paul John),1969-1391018Lupes Matt S1408488United States.Federal Highway Administration.Office of Research, Development, and Technology.Turner-Fairbank Highway Research Center.Texas Transportation Institute.CBTCBTCBTOCLCQGPOBOOK9910699672703321Methods for maintaining traffic sign retroreflectivity3492520UNINA