District and County Statistics (DISCOS) is prepared annually by the Texas Department of Transportation. This publication provides transportation-related statistics for all 254 Texas counties and 25 TxDOT districts.
Important Notes:
The district and county data in DISCOS, along with
certain statistics that are not broken down at a county level, are available for download in a Microsoft Excel workbook.
Supplemental information is available to download in PDF format.
DISCOS reflects historical (Fiscal Year 2024) information only. No current or future year data is contained in DISCOS.
* Certified Data provided for On-System Daily Vehicle Miles, Centerline Miles and Lane Miles are based on calendar year 2023, provided by TPP-Data Management. These mileage statistics are On-System only (under the jurisdiction of TxDOT).
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