Fáddáevttohusat
- City traffic 3 bohtosa
- Roads 3 bohtosa
- Traffic engineering 3 bohtosa
- Transportation 3 bohtosa
- Design and construction 2 bohtosa
- Passenger traffic 2 bohtosa
- Safety measures 2 bohtosa
- Traffic accidents 2 bohtosa
- Traffic safety 2 bohtosa
- Traffic signs and signals 2 bohtosa
- Automobile drivers 1 bohtosa
- City planning 1 bohtosa
- Congresses 1 bohtosa
- Cost of operation 1 bohtosa
- Environmental aspects 1 bohtosa
- History 1 bohtosa
- Mathematical models 1 bohtosa
- Planning 1 bohtosa
- Public opinion 1 bohtosa
- Rating of 1 bohtosa
- Research 1 bohtosa
- Rural roads 1 bohtosa
- Shoulders 1 bohtosa
- Speed limits 1 bohtosa
- Streets 1 bohtosa
- Traffic surveys 1 bohtosa
- Transportation, Automotive 1 bohtosa
- Urban transportation 1 bohtosa
- Width 1 bohtosa