- 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 Washington County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 71,688.960 | N/A | 2,294.059 | N/A |
| 2006 | 71,688.960 | 0.0% | 2,294.059 | 0.0% |
| 2007 | 90,908.820 | 26.8% | 2,909.083 | 26.8% |
| 2008 | 69,938.845 | -23.1% | 2,238.054 | -23.1% |
| 2009 | 69,533.770 | -0.6% | 2,225.081 | -0.6% |
| 2010 | 88,389.920 | 27.1% | 2,828.477 | 27.1% |
| 2011 | 69,328.480 | -21.6% | 2,218.511 | -21.6% |
| 2012 | 72,793.375 | 5.0% | 2,329.388 | 5.0% |
| 2013 | 74,531.470 | 2.4% | 2,385.007 | 2.4% |
| 2014 | 73,361.440 | -1.6% | 2,347.566 | -1.6% |
| 2015 | 73,361.440 | 0.0% | 2,347.566 | 0.0% |
| 2016 | 73,572.444 | 0.3% | 2,354.318 | 0.3% |
| 2017 | 70,072.899 | -4.8% | 2,025.254 | -14.0% |
| 2018 | 71,641.333 | 2.2% | 2,080.586 | 2.7% |
| 2019 | 74,117.866 | 3.5% | 2,555.846 | 22.8% |
| 2020 | 76,436.011 | 3.1% | 2,753.713 | 7.7% |
| 2021 | 76,436.011 | 0.0% | 2,753.713 | 0.0% |
| 2022 | 75,083.878 | -1.8% | 2,276.459 | -17.3% |