02140oam 2200493 450 991070499970332120131108110440.0(CKB)5470000002445744(OCoLC)862413817(OCoLC)995470000002445744(EXLCZ)99547000000244574420131108d2013 ua 0engurmn||||a||||rdacontentrdamediardacarrierSafety evaluation of converting traffic signals from incandescent to light-emitting diodes summary reportWashington, D.C. :U.S. Department of Transportation, Federal Highway Administration, Researh Development and Technology, Turner-Fairbanks Highway Research Center,[2013]1 online resource (5 pages) color illustrationsHSIS summary reportTitle from title screen (viewed on Nov. 8, 2013)."August 2013"--Page [6]."FHWA-HRT-13-070.""HRDS-20/08-13(750)E."Includes bibliographical references (page [6]).Safety evaluation of converting traffic signals from incandescent to light-emitting diodes Traffic signs and signalsTechnological innovationsUnited StatesEvaluationTraffic signs and signalsUnited StatesEquipment and suppliesEvaluationElectronic traffic controlsEvaluationTraffic accidentsNorth CarolinaCharlotteAnalysisTraffic signs and signalsTechnological innovationsEvaluation.Traffic signs and signalsEquipment and suppliesEvaluation.Electronic traffic controlsEvaluation.Traffic accidentsAnalysis.United States.Federal Highway Administration,Turner-Fairbank Highway Research Center.GPOGPOGPOBOOK9910704999703321Safety evaluation of converting traffic signals from incandescent to light-emitting diodes3448878UNINA