02000oam 2200529Ia 450 991069770210332120081124164706.0(CKB)5470000002391957(OCoLC)244566603(EXLCZ)99547000000239195720080828d2008 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierMinimum retroreflectivity levels for blue and brown traffic signs[electronic resource] /[Andrew J. Holick and Paul J. Carlson]McLean, VA :U.S. Dept. of Transportation, Federal Highway Administration, Turner-Fairbank Highway Research Center,[2008]vii, 37 pages digital, PDF fileTitle from title screen (viewed on Nov. 24, 2008)."April 2008.""Publication no. FHWA-HRT-08-029.""HRDS-05/4-08(500)E"--P. [4] of cover.Includes bibliographical references (page 37).Traffic signs and signalsUnited StatesDesign and constructionReflectanceStandardsUnited StatesReflective materialsReflectors (Safety devices)VisibilityTraffic signs and signalsDesign and construction.ReflectanceStandardsReflective materials.Reflectors (Safety devices)Visibility.Holick Andrew J1391017Carlson Paul J(Paul John),1969-1391018Texas Transportation Institute.United States.Federal Highway Administration.Office of Safety R&D.Turner-Fairbank Highway Research Center.JCRJCRJCRGPOBOOK9910697702103321Minimum retroreflectivity levels for blue and brown traffic signs3444281UNINA