- 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 Dallas County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 185,219.250 | N/A | 5,922.123 | N/A |
| 2006 | 185,219.250 | 0.0% | 5,922.122 | 0.0% |
| 2007 | 115,834.190 | -37.5% | 3,701.799 | -37.5% |
| 2008 | 94,954.600 | -18.0% | 3,027.759 | -18.2% |
| 2009 | 61,580.015 | -35.1% | 1,841.442 | -39.2% |
| 2010 | 57,179.935 | -7.1% | 1,829.758 | -0.6% |
| 2011 | 56,605.300 | -1.0% | 1,811.370 | -1.0% |
| 2012 | 94,612.385 | 67.1% | 3,022.499 | 66.9% |
| 2013 | 73,156.555 | -22.7% | 2,341.010 | -22.5% |
| 2014 | 77,549.214 | 6.0% | 2,869.414 | 22.6% |
| 2015 | 77,356.688 | -0.2% | 4,216.691 | 47.0% |
| 2016 | 77,467.002 | 0.1% | 4,476.265 | 6.2% |
| 2017 | 79,466.787 | 2.6% | 4,597.650 | 2.7% |
| 2018 | 85,621.074 | 7.7% | 5,032.396 | 9.5% |
| 2019 | 108,505.493 | 26.7% | 6,245.527 | 24.1% |
| 2020 | 106,409.014 | -1.9% | 7,383.928 | 18.2% |
| 2021 | 83,525.006 | -21.5% | 5,856.210 | -20.7% |
| 2022 | 96,205.467 | 15.2% | 7,688.506 | 31.3% |