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City
Traffic Crashes - Crashes
City of Chicago —
Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD).... -
City
Chicago Traffic Tracker - Congestion Estimates by Segments
City of Chicago —
This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Segment - 2024-Current
City of Chicago —
This dataset contains the historical estimated congestion for over 1,000 traffic segments, starting 6/11/2024 (except for a single time slice on 3/8/2024). Older... -
Federal
Third Generation Simulation Data (TGSIM) I-90/I-94 Moving Trajectories
Department of Transportation —
The main dataset is a 130 MB file of trajectory data (I90_94_moving_final.csv) that contains position, speed, and acceleration data for small and large automated (L2)... -
State
MTA Bus Route Segment Speeds: Beginning 2025
State of New York —
This dataset provides data on how fast buses are traveling between pairs of subsequent timepoints (the major stops on a bus route) for every bus route in the system.... -
City
VZV_Neighborhood Slow Zones
City of New York —
The Neighborhood Slow Zone program is an application based program which takes a neighborhood area and reduces the speed limit to 20 mph. Areas are chosen based on... -
City
Speed Limits per Street Segment
City of San Francisco —
A. SUMMARY Maximum speed limits per street segment for the City of San Francisco. Speed limits are indicated primarily for streets that have speeds greater than 25... -
City
Historic Land Use Data
City of New York —
Historic land uses on lots that were vacant, privately owned, and zoned for manufacturing in 2009. Information came from a review of several years of historical... -
State
MTA Bus Route Segment Speeds: 2023 - 2024
State of New York —
This dataset provides data on how fast buses are traveling between pairs of subsequent timepoints (the major stops on a bus route) for every bus route in the system.... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2018-Current
City of Chicago —
This dataset contains the historical estimated congestion for the 29 traffic regions, starting in approximately March 2018. Older records are in... -
City
Internet Master Plan: Broadband Choice and Speed by Census Block
City of New York —
Key indicators of the availability of internet service choice and speed based on publicly available data from the Federal Communications Commission Data Limitations:... -
City
Automated Speed Enforcement Citations
City of San Francisco —
A. SUMMARY This dataset contains daily counts of warnings and citations issued by the SFMTA’s Automated Speed Enforcement program, broken down by camera. Some... -
City
Chicago Traffic Tracker - Congestion Estimates by Regions
City of Chicago —
This dataset contains the current estimated congestion for the 29 traffic regions. For a detailed description, please go to https://tas.chicago.gov, click the About... -
Federal
Third Generation Simulation Data (TGSIM) I-90/I-94 Stationary Trajectories
Department of Transportation —
The main dataset is a 304 MB file of trajectory data (I90_94_stationary_final.csv) that contains position, speed, and acceleration data for small and large automated... -
City
Universal Solicitation of Broadband Target Neighborhoods
City of New York —
This data set consists of 11 areas identified as Target Neighborhoods in Universal Solicitation of Broadband (USB). Data Limitations: Data accuracy is limited as of... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Segment - 2018-2023
City of Chicago —
This dataset contains the historical estimated congestion for over 1,000 traffic segments, starting in approximately 2/28/2018 and ending 9/8/2023. Older records are... -
State
Maryland_Adams_Radar_Geographic_Area_of_Concern
State of Maryland —
Radar viewshed for the Advanced Dynamic Aircraft Measurement Systems (ADAMS) radar at Naval Air Station Patuxent River.Radars locate an object’s position by emitting... -
Federal
Enhancing Microsimulation Models for Improved Work Zone Planning: Car-Following Data from Western Massachusetts (Instances)
Department of Transportation —
The data describe freeway car-following behavior (such as velocity, acceleration, and relative position) for the car-following instances observed during 6 data... -
Federal
H01729A: NOS Hydrographic Survey
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
City
VZV_Speed Limits
City of New York —
On November 7, 2014, New York City’s default speed limit was changed from 30 mph to 25 mph. Unless otherwise signed, all streets in New York City are governed by...