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Traffic engineering Transportation 17 Roads 12 Urban transportation 8 Planning 7 Design and construction 6 Highway engineering 6 περισσότερα ... Transportation engineering 5 City planning 4 City traffic 4 Traffic safety 4 Traffic surveys 4 Automation 3 Traffic flow 3 Transportation and state 3 Κυκλοφοριακή τεχνική 3 Automobile parking 2 Local transit 2 Mathematical models 2 Safety measures 2 Shippers' guides 2 Subways 2 Urban roads and streets 2 Μεταφορές 2 Architecture, Modern 1 Automobiles 1 Bibliography 1 Bicycle trails 1 Bus lanes 1 Computer simulation 1 λιγότερα ...