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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 | 2,124,128.420 |
| Bandera | 417,819.390 |
| Bexar | 35,616,087.255 |
| Comal | 5,732,058.076 |
| Frio | 1,466,371.066 |
| Guadalupe | 4,364,262.726 |
| Kendall | 1,544,647.091 |
| Kerr | 1,451,147.639 |
| McMullen | 213,704.878 |
| Medina | 1,605,702.682 |
| Uvalde | 685,234.366 |
| Wilson | 1,185,692.160 |