Subject
Transportation Law and legislation
179
Appropriations and expenditures
58
Hazardous substances Transportation Law and legislation
56
Housing Law and legislation
41
Federal aid to transportation
31
Natural gas pipelines Law and legislation
22
Radioactive wastes Transportation Law and legislation
21
Radioactive waste disposal Law and legislation
18
Spent reactor fuels Storage Law and legislation
18
Highway law
16
Transportation and state
13
Hazardous wastes Transportation Law and legislation
10
Rules and practice
10
Transportation Finance
10
Pipelines Law and legislation
9
Pipelines Safety regulations
9
High speed ground transportation Law and legislation
8
Housing Finance
8
Commercial vehicles Law and legislation
7
People with disabilities Transportation Law and legislation
7
Traffic regulations
7
Hazardous substances Transportation Safety measures Finance
6
Transportation Safety measures
6
Transportation Safety measures Finance
6
United States Appropriations and expenditures, 2016
6
Earthwork Law and legislation
5
Infrastructure (Economics)
5
Legislative oversight
5
Natural gas Law and legislation
5
Petroleum Transportation Law and legislation
5
Pipelines Safety measures Finance
5
Roads Finance Law and legislation
5
United States Appropriations and expenditures, 2008
5
Animals Transportation Law and legislation
4
Barrier-free design Law and legislation
4
Emergency management Law and legislation
4
First responders Training of
4
Government paperwork Law and legislation
4
Hazardous wastes Law and legislation
4
Infrastructure (Economics) Law and legislation
4
Interstate agreements
4
Natural gas pipelines Communication systems
4
Railroad law
4
Transportation Planning
4
United States Appropriations and expenditures, 2013
4
United States Appropriations and expenditures, 2014
4
United States Appropriations and expenditures, 2015
4
United States Appropriations and expenditures, 2017
4
Urban transportation Law and legislation
4
Employer-sponsored transportation Law and legislation
3
more ...