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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 * |
|---|---|
| Bastrop | 816.906 |
| Blanco | 463.550 |
| Burnet | 791.716 |
| Caldwell | 711.334 |
| Gillespie | 684.194 |
| Hays | 755.743 |
| Lee | 519.295 |
| Llano | 513.851 |
| Mason | 417.492 |
| Travis | 2,203.460 |
| Williamson | 1,733.409 |