Air traffic control 14 Street traffic control 12 Traffic control 11 Traffic signals 10 Intelligent systems 9 Traffic congestion 8 Motor transportation 6 Roads and streets 6 Traffic flow 6 Vehicles 6 Accidents 5 Intelligent vehicle highway systems 5 Advanced traffic management systems 4 Highway administration 4 Highway traffic control 4 Internet of things 4 Number of vehicles 4 Smart city 4 Adaptive traffic management system 3 Automation 3 Controllers 3 DBSCAN method 3 Deep learning 3 Design and implementations 3 Electroencephalography 3 Forecasting 3 Harbors. Ports. Including port districts, docks, wharves, traffic control 3 Highway engineering 3 Highway planning 3 Intelligent traffic management 3