- 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 Mason County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 15,522.095 | N/A | 0.000 | N/A |
| 2006 | 15,522.095 | 0.0% | 0.000 | N/A |
| 2007 | 15,522.095 | 0.0% | 0.000 | N/A |
| 2008 | 15,526.685 | 0.0% | 0.147 | N/A |
| 2009 | 15,502.205 | -0.2% | 0.147 | -0.1% |
| 2010 | 13,610.220 | -12.2% | 435.527 | 296,419.0% |
| 2011 | 13,610.220 | 0.0% | 435.527 | 0.0% |
| 2012 | 13,610.220 | 0.0% | 435.527 | 0.0% |
| 2013 | 13,610.220 | 0.0% | 435.527 | 0.0% |
| 2014 | 13,610.220 | 0.0% | 435.527 | 0.0% |
| 2015 | 11,698.324 | -14.0% | 374.346 | -14.0% |
| 2016 | 11,698.324 | 0.0% | 374.346 | 0.0% |
| 2017 | 11,698.313 | 0.0% | 424.042 | 13.3% |
| 2018 | 21,148.858 | 80.8% | 714.828 | 68.6% |
| 2019 | 21,147.446 | 0.0% | 714.798 | 0.0% |
| 2020 | 11,348.954 | -46.3% | 255.418 | -64.3% |
| 2021 | 11,348.954 | 0.0% | 255.418 | 0.0% |
| 2022 | 11,453.452 | 0.9% | 464.596 | 81.9% |