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Subject
- Roads[remove]185
- Federal aid to transportation48
- Local transit15
- Transportation10
- Infrastructure (Economics)9
- Transportation and state7
- Transportation, Automotive6
- Express highways5
- Highway law5
- United States5
- Economic development projects4
- Job creation4
- Automobiles3
- Bridges3
- Geology3
- Highway engineering3
- Motor fuels3
- Accidents2
- Automobile travel2
- City planning2