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* Certified Data provided for On-System Daily Vehicle Miles, Centerline Miles and Lane Miles are based on calendar year 2022, provided by TPP-Data Management. These mileage statistics are On-System only (under the jurisdiction of TxDOT).
| County | Value * |
|---|---|
| Bastrop | 332.132 |
| Blanco | 184.135 |
| Burnet | 292.400 |
| Caldwell | 303.515 |
| Gillespie | 272.327 |
| Hays | 276.332 |
| Lee | 193.474 |
| Llano | 227.685 |
| Mason | 192.384 |
| Travis | 622.830 |
| Williamson | 572.085 |