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Federal
Collection Highway Performance Monitoring System (HPMS) 62 recent views
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... -
Federal
Fatality Analysis Reporting System (FARS) 2022 Initial Release - Fatal Motor Vehicle Accidents 29 recent views
Department of Transportation —
The Fatality Analysis Reporting System (FARS) 2022 Initial Release - Fatal Motor Vehicle Accidents dataset was compiled from January 1, 2022 to December 31, 2022 by... -
Federal
Collection Vessel Calls at US and World Ports 18 recent views
Department of Transportation —
Annual data on calls by oceangoing vessels of 10,000 deadweight (dwt) or greater at US and world ports. Vessel details are also included. -
Federal
Distributed Acoustic Sensing Experiment Data from Garner Valley, California
Department of Energy —
In September 2013, an experiment using Distributed Acoustic Sensing (DAS) was conducted at Garner Valley, a test site of the University of California Santa Barbara... -
Federal
Fatality Analysis Reporting System (FARS) 2021 Final Release - Fatal Motor Vehicle Accidents
Department of Transportation —
The Fatality Analysis Reporting System (FARS) 2021 Final Release - Fatal Motor Vehicle Accidents dataset was compiled from January 1, 2021 to December 31, 2021 by the... -
Federal
Collection Vessels in Transit
Department of Transportation —
A web tool that provides real-time information on vessels transiting the Saint Lawrence Seaway. Visitors may sort by order of turn, vessel name, or last location in... -
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,... -
Federal
Collection Traffic Injury Control Statements of Policy
Department of Transportation —
NHTSA's issues statements of policy on traffic injury control -
Federal
TMAS Data Program
Department of Transportation —
Traffic Volume Data (based on unweighted raw continuous traffic count information collected by State Highway Agencies) -
Federal
On-road Emissions and Chemical Transformation of Nitrogen Oxides
U.S. Environmental Protection Agency —
On-road chase and PEMS measurement data while following traffic. Time-averaged to assess the emission rate of the followed vehicle, including the presence of a PEMS... -
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... -
Federal
GMAP Phoenix 2013 data
U.S. Environmental Protection Agency —
mobile monitoring data from the 2013 Phoenix study. This dataset is associated with the following publication: Venkatram, A., V. Isakov , P. Deshmukh, and R. Baldauf.... -
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...