- 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 Somervell County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 24,323.050 | N/A | 771.515 | N/A |
| 2006 | 24,489.070 | 0.7% | 776.828 | 0.7% |
| 2007 | 24,489.070 | 0.0% | 783.644 | 0.9% |
| 2008 | 24,462.505 | -0.1% | 775.368 | -1.1% |
| 2009 | 23,403.935 | -4.3% | 742.901 | -4.2% |
| 2010 | 23,292.220 | -0.5% | 745.351 | 0.3% |
| 2011 | 23,227.715 | -0.3% | 743.287 | -0.3% |
| 2012 | 23,685.420 | 2.0% | 757.933 | 2.0% |
| 2013 | 23,685.420 | 0.0% | 757.933 | 0.0% |
| 2014 | 25,120.020 | 6.1% | 803.841 | 6.1% |
| 2015 | 25,120.020 | 0.0% | 803.841 | 0.0% |
| 2016 | 25,120.020 | 0.0% | 803.841 | 0.0% |
| 2017 | 25,340.969 | 0.9% | 797.805 | -0.8% |
| 2018 | 24,978.470 | -1.4% | 797.295 | -0.1% |
| 2019 | 34,820.059 | 39.4% | 1,109.791 | 39.2% |
| 2020 | 34,605.233 | -0.6% | 1,102.969 | -0.6% |
| 2021 | 34,866.293 | 0.8% | 1,111.213 | 0.7% |
| 2022 | 24,065.544 | -31.0% | 772.643 | -30.5% |