Subject
Federal aid to transportation
Infrastructure (Economics) Finance
38
Appropriations and expenditures
24
Transportation and state
24
Infrastructure (Economics)
18
Roads Finance
18
Transportation Finance
13
Rules and practice
9
Transportation Capital investments
9
Federal aid to housing
7
Railroads Finance
7
Grants-in-aid
6
Local transit Finance
6
Motor fuels Taxation
6
Public-private sector cooperation
6
Traffic safety Finance
6
Administrative agencies Appropriations and expenditures
5
Infrastructure (Economics) Government policy
5
Infrastructure (Economics) Law and legislation
5
Roads States Finance
5
Transportation
5
Transportation Planning
5
Federal aid to community development
4
Finance
4
Freight and freightage
4
Roads Maintenance and repair
4
Transportation Safety measures
4
User charges
4
Aeronautics, Commercial Government policy
3
Delegated legislation
3
High speed trains Finance
3
Job creation
3
Job creation Government policy
3
Local transit
3
Railroad law
3
Railroads Passenger traffic
3
Roads Finance Law and legislation
3
Aeronautics Safety measures
2
Aeronautics, Commercial Finance
2
Aircraft industry Economic aspects
2
Airports Finance
2
Bridges Maintenance and repair Finance
2
Economic development
2
Economic development Finance
2
Economic stabilization Government policy
2
Electric railroads Maintenance and repair
2
Freight and freightage Government policy
2
High speed trains Finance Law and legislation
2
Highway law
2
Indians of North America Government relations
2
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