- 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 Roberts County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 9,753.974 | N/A | 0.000 | N/A |
| 2006 | 10,061.016 | 3.1% | 8.431 | N/A |
| 2007 | 9,847.912 | -2.1% | 8.431 | 0.0% |
| 2008 | 9,784.027 | -0.6% | 18.171 | 115.5% |
| 2009 | 9,784.027 | 0.0% | 18.172 | 0.0% |
| 2010 | 12,864.580 | 31.5% | 411.667 | 2,165.3% |
| 2011 | 8,861.868 | -31.1% | 283.580 | -31.1% |
| 2012 | 8,861.868 | 0.0% | 283.580 | 0.0% |
| 2013 | 8,861.868 | 0.0% | 283.580 | 0.0% |
| 2014 | 8,861.868 | 0.0% | 283.580 | 0.0% |
| 2015 | 8,183.461 | -7.7% | 261.871 | -7.7% |
| 2016 | 8,183.461 | 0.0% | 261.871 | 0.0% |
| 2017 | 8,183.679 | 0.0% | 224.623 | -14.2% |
| 2018 | 8,718.412 | 6.5% | 240.350 | 7.0% |
| 2019 | 32,482.784 | 272.6% | 1,041.221 | 333.2% |
| 2020 | 8,347.305 | -74.3% | 174.884 | -83.2% |
| 2021 | 8,371.186 | 0.3% | 174.889 | 0.0% |
| 2022 | 8,408.636 | 0.4% | 192.771 | 10.2% |