Subject
Transportation Finance Law and legislation
Federal aid to transportation
30
Roads Finance Law and legislation
19
Highway law
13
Local transit Finance Law and legislation
4
Local transit Law and legislation
3
Motor fuels Taxation Law and legislation
3
Bridges Design and construction Finance
2
Traffic safety Government policy
2
Transportation, Automotive Law and legislation
2
Appropriations and expenditures
1
Bridges Design and construction Costs
1
Containerization
1
Federal aid to transportation States
1
Freight and freightage
1
High speed ground transportation Law and legislation
1
High speed trains Finance Law and legislation
1
Indian roads Finance
1
Infrastructure (Economics) States Finance
1
Local transit
1
Magnetic levitation vehicles Law and legislation
1
Motor vehicle driving Vocational guidance
1
Transportation Research
1
Transportation Safety measures
1