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State
State Crash Data
State of Washington —
Crash data are provided by the Washington State Patrol, Washington State Department of Transportation, and the Washington Traffic Safety Commission. These data tools... -
State
Minority Business Enterprise: Statewide Directory - MBE, DBE (Disadvantaged Business Enterprise), SBE (Small Business Enterprise), and ACDBE (Airport Concession Disadvantaged Enterprise) Certified Businesses Link
State of Maryland —
This is a Maryland Department of Transportation (MDOT) hosted service. Find more information at http://www.mdot.maryland.gov/newMDOT/MBE/Index.html. Last Updated:... -
State
CA Congress Districts and Membership 2024-2026
State of California —
The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes are updated every... -
State
Regional Weather Reports (CT Department of Transportation Weather Roundup)
State of Connecticut —
Weather reports including precipitation and snowfall totals measured at different locations by the CT Department of Transportation. Reports are developed for... -
State
NEVI 3 Needed Locations (November 3 2025)
State of California —
The CEC has divided the federally-designated Alternative Fuel Corridors (AFCs) into twenty-three (23) Corridor Groups for the purpose of making NEVI formula funding... -
State
NYS Traffic Data Viewer
State of New York —
This data set features a hyperlink to the New York State Department of Transportation’s (NYSDOT) Traffic Data (TD) Viewer web page, which includes a link to the... -
State
NEVI 2 Corridor Groups (October 28 2025)
State of California —
California-designated corridors are grouped by location and number of new charging stations required under NEVI. Data Dictionary:Corridor Segment - A portion of a... -
State
Metropolitan Planning Organizations
State of Oregon —
Federal highway and transit statutes require, as a condition for spending federal highway or transit funds in urbanized areas, the designation of MPOs, which have... -
State
Alternative Fuel Corridors (November 3 2025)
State of California —
The U.S. Department of Transportation Federal Highway Administration (FHWA) designates a national network of plug-in electric vehicle (EV) charging and hydrogen,... -
State
NYS Roadway Inventory System Viewer
State of New York —
This data set features a hyperlink to the New York State Department of Transportation’s (NYSDOT) Roadway Inventory System (RIS) Viewer web page, which includes a link... -
State
California's National Electric Vehicle Infrastructure Funding Program Map
State of California —
The California Department of Transportation (Caltrans) and the California Energy Commission (CEC) are partnering to implement the federal National Electric Vehicle... -
State
Hiking Trails
State of New York —
This data shows the location of transportation corridors on Department of Environmental Conservation state lands that are approved for foot travel. -
State
Community Vulnerability (BCDC 2020)
State of California —
The San Francisco Bay Conservation and Development Commission Adapting to Rising Tides Program developed a dataset to better understand community vulnerability to... -
State
Vehicle Crash Data Repository
State of Connecticut —
The Connecticut Crash Data Repository (CTCDR) is a web tool designed to provide access to select crash information collected by state and local police. This data... -
State
California Gasoline Data, Facts, and Statistics
State of California —
Gasoline is the most used transportation fuel in California, with ninety seven percent of all gasoline being consumed by light-duty cars, pickup trucks, and sport... -
State
hazardouswastesites
State of California —
This Feature Layer Collection contains publicly shared data from Envirostor, the Department of Toxic Substances Control's Project Management Solution. The data... -
State
All Public Roads
State of Oregon —
OR-Trans is a GIS road centerline dataset compiled from numerous sources of data throughout the state. Each dataset is from the road authority responsible for (or... -
State
CTDOT Office of the State Traffic Administration (OSTA) Interactive Map
State of Connecticut —
Web Mapping Application containing all layers from the Office of the State Traffic Administration that enables the user to visually review, search, and query OSTA... -
State
CT Transit General Transit Feed Specification (GTFS) Route Data
State of Connecticut —
General Transit Feed Specification (GTFS) is an open format spec used by hundreds of transit agencies to power transit directions in a variety of Web and transit...