TE Highway engineering. Roads and pavements 66 Intelligent vehicle highway systems 20 Intelligent systems 19 TA Engineering (General). Civil engineering (General) 19 Highway engineering 14 Roads and streets 13 Vehicles 12 Intelligent transportation systems 9 Motor transportation 9 Highway & traffic engineering 8 Highway administration 8 Highway planning 8 HE Transportation and Communications 7 Traffic control 7 Accidents 6 Deep learning 6 Street traffic control 6 Accident prevention 5 Forecasting 5 Highway construction 5 Machine learning 5 Smart city 5 Surveys 5 Traffic signals 5 highway 5 human 5 Asphalt mixtures 4 Highway accidents 4 Highway traffic control 4 Humans 4