Traffic congestion 8 Dissertations 4 Dissertations, Academic 3 Intelligent transportation systems 2 Management 2 Street-railroads 2 Traffic surveys 2 Automobile driving 1 City planning 1 Electronic information resources 1 Electronic traffic controls 1 Housing 1 Intelligent sensors 1 Local transit 1 Measurement 1 Pollution 1 Prevention 1 Railroads, Local and light 1 Remote sensing 1 Traffic congestions 1 Traffic flow 1 Travel time (Traffic engineering) 1 Vehicular ad hoc networks (Computer networks) 1