Subject
Federal aid to transportation
520
Transportation and state
93
Appropriations and expenditures
92
Roads Finance
75
Infrastructure (Economics) Finance
71
Highway law
49
Roads Finance Law and legislation
46
Transportation Finance
46
Transportation Finance Law and legislation
32
Rules and practice
28
Transportation Law and legislation
27
Local transit Finance
24
Infrastructure (Economics)
22
Transportation Capital investments
22
Railroads Finance
17
Aeronautics, Commercial Law and legislation
16
Federal aid to housing
16
Roads States Finance
15
Transportation Safety measures
15
Transportation Planning
14
Motor fuels Taxation
13
Traffic safety Finance
13
Transportation
13
Local transit Finance Law and legislation
12
Public-private sector cooperation
12
Grants-in-aid
11
Transportation, Automotive Law and legislation
11
Federal aid to transportation States
10
Finance
10
Local transit
10
Management
10
Railroads Passenger traffic
10
High speed trains Finance Law and legislation
9
Railroads Passenger traffic Finance
9
Traffic safety
9
Administrative agencies Appropriations and expenditures
8
Freight and freightage
8
Disaster relief
7
High speed trains Finance
7
Infrastructure (Economics) Law and legislation
7
Interstate Highway System
7
Job creation Law and legislation
7
Railroads Passenger traffic Planning
7
Roads
7
Aeronautics Safety measures
6
Aeronautics, Commercial Finance
6
Highway planning
6
Infrastructure (Economics) Government policy
6
Local transit Law and legislation
6
Railroad law
6
more ...