01757nam 2200445I 450 991070275330332120150413084406.0(CKB)5470000002430666(OCoLC)907237620(EXLCZ)99547000000243066620150413j201407 ua 0engurmn|||||||||txtrdacontentnrdamediancrdacarrierEffectiveness of safety and public service announcement messages on dynamic message signs /Linda Boyle [and five others]Washington, DC :U.S. Department of Transportation, Federal Highway Administration,July 2014.1 online resource (v, 82 pages) illustrations (chiefly color), color mapsTitle from title screen (viewed Apr. 8, 2015)."July 2014"--Page i."FHWA-HOP-14-015"--Technical report documention page.Traffic signs and signalsTestingHuman information processingTestingElectronic traffic controlsTestingIntelligent transportation systemsTestingHighway communicationsTraffic signs and signalsTesting.Human information processingTesting.Electronic traffic controlsTesting.Intelligent transportation systemsTesting.Highway communications.Boyle Linda1390154United States.Federal Highway Administration,GPOGPOBOOK9910702753303321Effectiveness of safety and public service announcement messages on dynamic message signs3442582UNINA