240 datasets found
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Federal
2014-12-19_PASSIVE NO2 STUDY_final data_kovalcik.xlsx
U.S. Environmental Protection Agency —
Nitrogen dioxide (NO2) concentrations relative to near road sites in Research Triangle area of North Carolina. This dataset is associated with the following... -
County
City of Pittsburgh Speed Humps
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Speed humps installed by the City of Pittsburgh to slow down traffic NOTE: The data in this dataset has not updated since 2021 because of a broken data feed.... -
City
2008 Traffic Flow Counts
City of Seattle —
Displays vehicle traffic volumes for arterial streets in Seattle based on spot studies that have been adjusted for seasonal variation. Data is a one time snapshot for... -
City
2019 Traffic Flow Counts
City of Seattle —
Displays vehicle traffic volumes for arterial streets in Seattle based on spot studies that have been adjusted for seasonal variation. Data is a one time snapshot for... -
Federal
The Effects of Roadside Vegetation Barrier Characteristics on Near-Road Air Quality
U.S. Environmental Protection Agency —
Air quality and meteorological measurements collected in Woodside, California along a heavily-trafficked highway with and without an existing vegetation barrier. The... -
City
Red Light & Speed Camera Violations - 3/10/2025 - Resolved
City of Chicago —
Explanation of why the datasets were not updating. The problem has been fixed. -
County
The Renaming of the Southern Segment of Evergreen Mills Road and Shreveport Drive
Loudoun County, Virginia —
Road renaming for Evergreen Mills Rd - Shreveport Dr swipe story map.Relies on road renaming for Evergreen Mills Rd - Shreveport Dr BEFORE and AFTER web maps. -
County
The Waze Connected Citizens Program
Loudoun County, Virginia —
Loudoun County, Virginia is participating in the Waze Connected Citizens Program by providing local incident data directly to Waze - the world's largest community-... -
State
NYS Thruway Origin and Destination Points for All Vehicles - 1 Hour Intervals: 2020
State of New York —
This file contains data on the number and types of vehicles that entered from each entry point on the tolled section of the Thruway with their exit points. -
Federal
Evaluating the Crime Control and Cost-Benefit Effectiveness of License Plate Recognition (LPR) Technology in Patrol and Investigations, United States, 2014
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release,... -
State
People Injured in Iowa Crashes
State of Iowa —
This interactive report provides information on people who were seriously or fatally injured, who suffered minor injuries, or who had possible injuries as a result... -
City
3.27 Traffic Delay Reduction
City of Tempe —
This page provides information for the Traffic Delay Reduction performance measure. -
City
EZ Pass Reader- Midtown in Motion
City of New York —
E-Z Pass readers are installed throughout NYC to determine traffic speed on a local street. This creates studies for Midtown in Motion (MIM) projects and other... -
City
Motor Vehicle Collisions Summary Reports
City of New York —
This is a breakdown of every collision in NYC by location and injury. This data is collected because the NYC Council passed Local Law #11 in 2011. This data is... -
City
Traffic Counts (Model)
City of Sioux Falls —
Feature layer containing authoritative traffic count points for the traffic model for Sioux Falls, South Dakota. The data in the traffic counts model feature layer... -
State
NYS Thruway Origin and Destination Points for All Vehicles - 1 Hour Intervals: 2019
State of New York —
This file contains data on the number and types of vehicles that entered from each entry point on the tolled section of the Thruway with their exit points. -
State
NYS Thruway Origin and Destination Points for All Vehicles - 15 Minute Intervals: 2017 Q4
State of New York —
This file contains data on the number and types of vehicles that entered from each entry point on the tolled section of the Thruway with their exit points. -
State
NYS Thruway Origin and Destination Points for All Vehicles: 2008 - 2014
State of New York —
This dataset contains the number of vehicles, cash and E-ZPass, entering and exiting the New York State Thruway. The Origin and Destination numbers are organized by...
240 datasets found