Subject
Federal aid to transportation
46
Appropriations and expenditures
12
Federal aid to housing
6
Roads Finance
4
Transportation and state
4
Local transit Finance
3
Local transit Finance Law and legislation
3
Roads
3
Roads Finance Law and legislation
3
Transportation Finance
3
Transportation Law and legislation
3
Disaster relief
2
Dredging Finance
2
Emergency management
2
Harbors Maintenance and repair Finance
2
Highway law
2
Local transit
2
Passenger trains
2
Rules and practice
2
Transportation Finance Law and legislation
2
Water resources development Finance
2
Biomass energy
1
Bridge failures
1
Bridges
1
Bridges Maintenance and repair
1
Buy national policy
1
COVID-19 Pandemic, 2020- Economic aspects
1
Corporations, American Taxation
1
Electric railroads Cars Finance
1
Express highways
1
Federal aid to transportation Finance
1
Government lending
1
Grants-in-aid
1
High speed ground transportation
1
High speed trains Finance
1
Highway planning Environmental aspects
1
Income tax Foreign income
1
Infrastructure (Economics)
1
Infrastructure (Economics) Finance
1
Inland navigation Government policy
1
Inland water transportation Finance
1
Inland water transportation Freight
1
International business enterprises Taxation
1
Iron industry and trade
1
Local transit Cost of operation
1
Local transit Ridership
1
Metropolitan areas
1
Motor fuels Taxation
1
Public-private sector cooperation
1
Railroad law
1
more ...