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County
Crash Reporting - Drivers Data
Montgomery County of Maryland —
This dataset provides information on motor vehicle operators (drivers) involved in traffic collisions occurring on county and local roadways. The dataset reports... -
State
MTA Daily Ridership Data: 2020 - 2025
State of New York —
This deprecated dataset provides systemwide ridership and traffic estimates for subways (including the Staten Island Railway), buses, Long Island Rail Road, Metro-... -
State
MTA Key Performance Indicators: 2008-2021
State of New York —
This dataset combines Key Performance Indicator data that was reported starting with the creation of the MTA Stat performance metric dashboard in 2008 through 2021.... -
County
Traffic Violations
Montgomery County of Maryland —
This dataset contains traffic violation information from all electronic traffic violations issued in the County. Any information that can be used to uniquely identify... -
State
MTA Monthly Ridership / Traffic Data: Beginning January 2008
State of New York —
This dataset provides systemwide ridership and traffic estimates for subways (including the Staten Island Railway), NYCT bus, MTA Bus, Long Island Rail Road, Metro-... -
City
Traffic Volume Counts
City of New York —
New York City Department of Transportation (NYC DOT) uses Automated Traffic Recorders (ATR) to collect traffic sample volume counts at bridge crossings and roadways.... -
Federal
Collection Highway Performance Monitoring System (HPMS)
Department of Transportation —
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports... -
City
Motor Vehicle Collisions - Vehicles
City of New York —
The Motor Vehicle Collisions vehicle table contains details on each vehicle involved in the crash. Each row represents a motor vehicle involved in a crash. The data... -
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... -
State
Traffic Volumes AADT
State of California —
This traffic volumes feature class containing Traffic Volumes (also known as Traffic Counts) on California state highway network created from AADT excel spreadsheet... -
County
Crash Reporting - Incidents Data
Montgomery County of Maryland —
This dataset provides general information about each collision and details of all traffic collisions occurring on county and local roadways within Montgomery County,... -
Federal
Fatality Analysis Reporting System (FARS) 2023 - Accidents
Department of Transportation —
The Fatality Analysis Reporting System (FARS) 2023 Initial Release - Fatal Motor Vehicle Accidents dataset was compiled from January 1, 2023 to December 31, 2023 by... -
City
Traffic Collision Data from 2010 to Present
City of Los Angeles —
***The Los Angeles Police Department (LAPD) has transitioned traffic collision reporting to our new Records Management System (RMS) as part of our ongoing efforts to... -
County
Allegheny County Crash Data
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Contains locations and information about every crash incident reported to the police in Allegheny County from 2004 to 2020. Fields include injury severity,... -
County
Crash Reporting - Non-Motorists Data
Montgomery County of Maryland —
This dataset provides information on non-motorists (pedestrians and cyclists) involved in traffic collisions occurring on county and local roadways.The reports... -
State
MTA Congestion Relief Zone Vehicle Entries: Beginning 2025
State of New York —
This dataset provides the number of crossings into the Congestion Relief Zone by crossing location and vehicle class, in 10-minute intervals. This data should not be... -
Federal
Weigh-in-Motion (WIM) Stations
Department of Transportation —
The Weigh-in-Motion (WIM) Stations dataset was updated on April 23, 2025 from the Federal Highway Administration (FHWA), with attribute data from the end of calendar... -
State
MTA Daily Ridership and Traffic: Beginning 2020
State of New York —
The daily ridership dataset provides systemwide ridership and traffic estimates for subways (including the Staten Island Railway), buses, Long Island Rail Road,... -
City
Automated Traffic Volume Counts
City of New York —
New York City Department of Transportation (NYC DOT) uses Automated Traffic Recorders (ATR) to collect traffic sample volume counts at bridge crossings and...