A design prototype by Datopian, not an official website
Find a Commonwealth ResourceU.S Department of Transportation
The ATDM Trajectory Validation project developed a validation framework and a trajectory computational engine to compare and validate simulated and observed vehicle trajectories and dynamics. The field data were used to…
Updated Oct 25, 2026
U.S Department of Transportation
Click “Export” on the right to download the vehicle trajectory data. The associated metadata and additional data can be downloaded below under "Attachments". Researchers for the Next Generation Simulation (NGSIM)…
Updated Oct 25, 2026
U.S Department of Transportation
ITS DataHub has partnered with the Federal Highway Administration's (FHWA's) Next Generation SIMulation (NGSIM) program to make available detailed vehicle trajectory data and supporting data files along with the raw and…
Updated Oct 25, 2026
