A design prototype by Datopian, not an official website
Find a Commonwealth ResourceU.S Department of Transportation
A GeoJSON file with all spatial roadway data for all sections from the 2024 Highway Performance Monitoring System (HPMS) attached to the All Road Network of Linear Referenced Data (ARNOLD) network. This file was…
Updated Oct 25, 2026
U.S Department of Transportation
The Highway Performance Monitoring System (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 and…
Updated Oct 25, 2026
U.S Department of Transportation
Limited data from the 2016 Highway Performance Monitoring System (HPMS) with spatial data.
Updated Oct 25, 2026
