TxDOT Texas National Highway Freight Network

The Transportation Planning and Programming (TPP) Division of the Texas Department of Transportation (TxDOT) maintains a spatial dataset of roadway polylines for planning and asset inventory purposes, as well as for visualization and general mapping. This dataset is a subset of the published TxDOT roadway network, that represents the National Highway Freight Network as published under the FAST Act. Update Frequency: 1 Years Source: Geospatial Roadway Inventory Database (GRID) Security Level: Public Owned by TxDOT: True Related Links Data Dictionary PDF [Generated 2025/03/17]