TA Engineering (General). Civil engineering (General) 108 TE Highway engineering. Roads and pavements 66 Highway engineering 14 Intelligent vehicle highway systems 9 Highway & traffic engineering 8 Intelligent systems 8 HE Transportation and Communications 7 Roads and streets 6 Highway construction 5 TK Electrical engineering. Electronics Nuclear engineering 5 Vehicles 5 Antennas 4 Asphalt mixtures 4 Deep learning 4 Intelligent transportation systems 4 Motor transportation 4 Nanostructured materials 4 Road construction 4 TD Environmental technology. Sanitary engineering 4 Traffic control 4 Forecasting 3 Information management 3 Performance 3 Surveys 3 Sustainable development 3 TG Bridge engineering 3 TJ Mechanical engineering and machinery 3 Traffic Engineering 3 Traffic engineering. Roads and highways. Streets 3 Accident prevention 2