- Data only includes miles travelled on county roads. It does not include miles travelled on city, state or federal roads and highways.
- Lack of a visible bar can occur when the number is so small the result is a bar less than one pixel in height.
| Data for the Zavala County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 5,199.820 | N/A | 166.391 | N/A |
| 2006 | 5,199.820 | 0.0% | 166.391 | 0.0% |
| 2007 | 5,199.820 | 0.0% | 166.392 | 0.0% |
| 2008 | 17,115.300 | 229.2% | 547.688 | 229.2% |
| 2009 | 17,112.700 | 0.0% | 547.606 | 0.0% |
| 2010 | 17,065.370 | -0.3% | 546.092 | -0.3% |
| 2011 | 17,070.590 | 0.0% | 546.259 | 0.0% |
| 2012 | 17,070.590 | 0.0% | 546.259 | 0.0% |
| 2013 | 18,410.186 | 7.8% | 589.126 | 7.8% |
| 2014 | 17,280.430 | -6.1% | 552.974 | -6.1% |
| 2015 | 17,981.950 | 4.1% | 735.881 | 33.1% |
| 2016 | 17,981.950 | 0.0% | 735.881 | 0.0% |
| 2017 | 17,978.400 | 0.0% | 787.648 | 7.0% |
| 2018 | 7,549.913 | -58.0% | 250.872 | -68.1% |
| 2019 | 7,543.605 | -0.1% | 250.916 | 0.0% |
| 2020 | 7,193.070 | -4.6% | 232.775 | -7.2% |
| 2021 | 7,214.005 | 0.3% | 237.027 | 1.8% |
| 2022 | 7,287.737 | 1.0% | 246.508 | 4.0% |