Subject
Federal aid to transportation
17
Roads Finance
5
Appropriations and expenditures
4
Disaster relief
2
Emergency management
2
Highway law
2
Roads
2
Roads Finance Law and legislation
2
Transportation Finance
2
Transportation Law and legislation
2
Transportation and state
2
Bridge failures
1
Bridges
1
Bridges Maintenance and repair
1
Express highways
1
Federal aid to transportation Finance
1
Finance, Public
1
Infrastructure (Economics)
1
Local transit Finance
1
Passenger trains
1
Railroad law
1
Railroads Passenger traffic Finance Law and legislation
1
Rules and practice
1
Rural roads
1
Toll roads Law and legislation
1
Traffic safety
1
Transportation Safety measures Government policy
1