State agencies
Dept. of Motor Vehicles (DMV)
Dept. of Transportation (DOT), including:
CT Transit bus service
Hartford Line rail service (DOT, CT Rail, and Amtrak)
Shore Line East rail service
Office of the State Traffic Administration
Connecticut Airport Authority
Connecticut Port Authority
State boards, commissions, and task forces
Bicycle and Pedestrian Advisory Board
Commuter Rail Council
Federal government
U.S. Dept. of Transportation, including:
Bureau of Transportation Statistics
Federal Aviation Administration
Federal Highway Administration
Federal Motor Carrier Safety Administration
Federal Transit Administration
National Highway Transportation Safety Administration
National Transportation Safety Board
Other organizations
American Association of State Highway and Transportation Officials (AASHTO)
American Automobile Association (AAA)
American Public Transportation Association (APTA)
Amtrak
Insurance Institute for Highway Safety
International Bridge, Tunnel and Turnpike Association (IBTTA)
Metropolitan Transportation Authority (MTA) Metro-North Railroad
National Academies of Sciences, Engineering, and Medicine Transportation Research Board, including the National Cooperative Highway Research Program
Other online resources
Congressional Budget Office infrastructure and transportation reports
CT.gov driving and transportation links
Connecticut Dept. of Transportation maps
Connecticut Dept. of Transportation studies
Connecticut Dept. of Transportation Statewide Transportation Improvement Program (STIP) – includes project lists and air quality reports
Connecticut law about driving too fast – research guide by the Judicial Branch Law Libraries
Connecticut law about driving under the influence – research guide by the Judicial Branch Law Libraries
Connecticut law about pedestrians (crosswalks) – research guide by the Judicial Branch Law Libraries
Connecticut law about towing and wreckers – research guide by the Judicial Branch Law Libraries
Photographs from aerial surveys of Connecticut at the Connecticut State Library