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* 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).
| County | Value * |
|---|---|
| Atascosa | 425.625 |
| Bandera | 195.300 |
| Bexar | 1,046.870 |
| Comal | 270.412 |
| Frio | 339.141 |
| Guadalupe | 408.625 |
| Kendall | 195.225 |
| Kerr | 291.175 |
| McMullen | 159.815 |
| Medina | 327.655 |
| Uvalde | 343.479 |
| Wilson | 331.292 |