- 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 Orange County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 114,508.226 | N/A | 3,550.002 | N/A |
| 2006 | 114,508.226 | 0.0% | 3,550.002 | 0.0% |
| 2007 | 108,305.941 | -5.4% | 3,465.784 | -2.4% |
| 2008 | 106,365.976 | -1.8% | 3,293.942 | -5.0% |
| 2009 | 107,090.316 | 0.7% | 3,317.157 | 0.7% |
| 2010 | 134,484.283 | 25.6% | 4,303.497 | 29.7% |
| 2011 | 138,609.778 | 3.1% | 4,122.962 | -4.2% |
| 2012 | 138,859.378 | 0.2% | 4,130.949 | 0.2% |
| 2013 | 138,597.313 | -0.2% | 4,435.114 | 7.4% |
| 2014 | 138,640.521 | 0.0% | 4,436.497 | 0.0% |
| 2015 | 137,831.639 | -0.6% | 4,410.612 | -0.6% |
| 2016 | 143,464.192 | 4.1% | 4,590.854 | 4.1% |
| 2017 | 143,976.480 | 0.4% | 4,662.311 | 1.6% |
| 2018 | 144,188.455 | 0.1% | 5,122.305 | 9.9% |
| 2019 | 144,528.957 | 0.2% | 5,215.879 | 1.8% |
| 2020 | 143,935.810 | -0.4% | 5,394.828 | 3.4% |
| 2021 | 142,839.112 | -0.8% | 5,286.613 | -2.0% |
| 2022 | 143,361.440 | 0.4% | 4,915.600 | -7.0% |