Traffic congestion Roads and streets 8 Motor transportation 6 Street traffic control 6 Accidents 5 Traffic signals 5 Automation 4 Machine learning 4 Number of vehicles 4 Traffic management systems 4 Vehicles 4 Adaptive traffic management system 3 Advanced traffic management systems 3 DBSCAN method 3 Design and implementations 3 Highway administration 3 Highway planning 3 Highway traffic control 3 Intelligent systems 3 Intelligent traffic management 3 Internet of things 3 Rapid growth 3 Smart city 3 Smart road 3 Surveys 3 Traffic delays 3 Transport systems 3 Travel time 3 adaptive traffic management system 3 intelligent traffic management 3