Search Results for - Narrowed by: 1980 - United States. Federal Highway Administration. Traffic Systems Division. SirsiDynix Enterprise https://catalog.iyte.edu.tr/client/en_US/default/default/qf$003dPUBDATE$002509Publication$002bDate$0025091980$0025091980$0026qf$003dAUTHOR$002509Author$002509United$002bStates.$002bFederal$002bHighway$002bAdministration.$002bTraffic$002bSystems$002bDivision.$002509United$002bStates.$002bFederal$002bHighway$002bAdministration.$002bTraffic$002bSystems$002bDivision.$0026ps$003d300? 2024-05-27T16:46:46Z