HPMS Roadway Events Data 2021

Roadway attributes datasets in the Highway Performance Monitoring System (HPMS) consist of three separate tables: the Road Designations Table, the Road Identifications Table, and the Road Events Table. The Roads Event Table data items include Inventory, Lanes, Intersections, Traffic, Control, Pavement, Terrain, and Travel Time Code.
Organization: Department of Transportation
Organization URL: https://catalog.data.gov/organization/dot
Last updated: 2026-03-27
Tags: hpms, hppi