TxDOT Roadway Inventory / DFO LRS
TxDOT's published route network with distance-from-origin measures used to locate roadway attributes and crashes.
| Publisher | Texas Department of Transportation |
|---|---|
| Coverage | Texas
Bounding box (EPSG:4326): -106.916, 25.665, -93.478, 36.727 |
| Licence | LicenseRef-Public-Domain
Publisher's wording: Public domain |
| Themes | linear-referencing-lrs, routing-networks-geocoding-lrs |
| Update cadence | annual (roadway inventory); the service is updated by TxDOT TPP |
| Formats | Not stated |
| Status | active |
| Last verified | 2026-11-05 |
| Notes | Texas DOT open data; URL is open data hub |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
arcgis-rest | https://services.arcgis.com/KTcxiTD9dsQw4r7Z/arcgis/rest/services/TxDOT_Roadways/FeatureServer | 0 | none | TxDOT Roadways, with measures stored as M values; query supported, 2000 records per request. Tested 2026-11-05. |
download | https://www.txdot.gov/content/dam/docs/division/tpp/roadway-inventory/2025.zip | Not stated | none | Annual roadway inventory (GIS linework and all inventory attributes), 2025 edition; other years from https://www.txdot.gov/inside-txdot/division/transportation-planning/roadway-inventory.html |