Roadway inventory annual data
TxDOT annually publishes its roadway inventory data in a variety of common GIS and tabular formats. Data includes GIS linework and all roadway inventory attributes. TxDOT submits this data annually to the Federal Highway Administration as part of the Highway Performance Monitoring System Program.
County road inventory mileage report
TxDOT publishes the annual County Road Mileage Report in accordance with state law. The report summarizes centerline mileage for each county and is used by the Texas Department of Motor Vehicles and the Texas Comptroller of Public Accounts for funding distributions. For more information refer to Senate Bill 971.