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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 * |
|---|---|
| Collin | 537.654 |
| Dallas | 827.464 |
| Denton | 554.365 |
| Ellis | 633.398 |
| Kaufman | 501.904 |
| Navarro | 523.313 |
| Rockwall | 141.770 |