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2023 Traffic Volume
District of Columbia —
Traffic volume of Roadway Blocks. The dataset contains traffic volume data, created as part of the District of Columbia, Department of Transportation (DDOT) Roads and... -
Federal
Collection National Motor Vehicle Crash Causation Survey (NMVCCS)
Department of Transportation —
The National Motor Vehicle Crash Causation Survey (NMVVCS) was a nationwide survey of crashes involving light passenger vehicles, with a focus on the factors related... -
Federal
SDG Indicator 11.2.1: Urban Access to Public Transport, 2023 Release
National Aeronautics and Space Administration —
The SDG Indicator 11.2.1: Urban Access to Public Transport, 2023 Release, part of the SDGI collection, measures the proportion of the population in a city that has... -
Federal
Public-Use Linked Mortality Files
U.S. Department of Health & Human Services —
NCHS has linked data from various surveys with death certificate records from the National Death Index (NDI). Linkage of the NCHS survey participant data with the NDI... -
Metro Stations Regional
District of Columbia —
Metro Stations (regional). The dataset contains points representing locations and attributes of Metro stations, created as part of the DC Geographic Information System... -
City
Seattle Neighborhoods - Top 50 American Community Survey Data
City of Seattle —
City of Seattle neighborhood boundaries with American Community Survey (ACS) 5-year series data of frequently requested topics. Data is pulled from block group tables... -
Airport Runway and Taxiway
District of Columbia —
Taxiway, Apron: Delineate footprint of the following features. A taxiway connects aircraft to other areas and facilities of an airport. The apron is an area of an... -
Crashes in DC
District of Columbia —
Crashes on the roadway blocks network of Washington, DC maintained by the District Department of Transportation (DDOT). In addition to locations, a related table... -
Federal
2024 Annual Technology Baseline (ATB) Cost and Performance Data for Transportation Technologies
Department of Energy —
The 2024 Transportation Annual Technology Baseline (ATB) provides detailed cost and performance data, estimates, and assumptions for vehicle and fuel technologies in... -
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... -
Federal
Collection Long-Term Pavement Performance (LTPP)
Department of Transportation —
Long-term Pavement performance, construction, traffic, and environmental data for more than 2500 pavement sections in the United States and Canada. More than a dozen... -
Federal
National Consumer Complaint Database (NCCDB) - National Consumer Complaint Database
Department of Transportation —
NCCDB is a web-based information system for recording and reporting on household goods, safety violation, hazardous material, cargo tank and passenger complaints.... -
Accessible Parking Zones
District of Columbia —
Accessible parking zones in the district indicated by signage. These include accessible paid parking zones, generic accessible parking zones, and accessible visitor... -
City
Traffic Counts
City of Sioux Falls —
Feature layer containing authoritative traffic count points for Sioux Falls, South Dakota.The traffic counts listed are 24-hour, weekday, two-directional counts.... -
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... -
Federal
Inland Electronic Navigational Charts (IENC) NGDA
Army Corps of Engineers, Department of the Army, Department of Defense —
These Inland Electronic Navigational Charts (IENCs) were developed from available data used in maintenance of Navigation channels. Users of these IENCs should be... -
City
National Flood Hazard - Cross Sections
Louisville Metro Government —
Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 10 - SRD 23
National Institute of Standards and Technology —
REFPROP is an acronym for REFerence fluid PROPerties. This program, developed by the National Institute of Standards and Technology (NIST), calculates the... -
Traffic Camera
District of Columbia —
The dataset contains location and attributes of traffic controls located at each intersection in the District of Columbia. All traffic poles, pavement markings,... -
Taxi Trips in 2025
District of Columbia —
Taxi trip data provided as a zip file containing pipe (|) delimited text files or csv for trips by month. DFHV provided OCTO with a taxicab trip text file representing...