- 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 Collin County Road Miles Chart |
|---|
| Calendar Year | Number of All Vehicle Miles | Change from Prior Year | Number of Truck Miles | Change from Prior Year |
|---|
| 2005 | 138,159.210 | N/A | 4,264.451 | N/A |
| 2006 | 141,729.880 | 2.6% | 4,378.709 | 2.7% |
| 2007 | 134,551.240 | -5.1% | 4,148.992 | -5.2% |
| 2008 | 128,827.280 | -4.3% | 3,968.328 | -4.4% |
| 2009 | 134,993.675 | 4.8% | 4,314.217 | 8.7% |
| 2010 | 134,760.420 | -0.2% | 4,312.333 | 0.0% |
| 2011 | 134,198.295 | -0.4% | 4,294.345 | -0.4% |
| 2012 | 140,246.835 | 4.5% | 4,484.304 | 4.4% |
| 2013 | 139,462.254 | -0.6% | 4,462.792 | -0.5% |
| 2014 | 177,289.210 | 27.1% | 5,803.367 | 30.0% |
| 2015 | 180,380.619 | 1.7% | 5,791.493 | -0.2% |
| 2016 | 182,207.910 | 1.0% | 5,969.823 | 3.1% |
| 2017 | 182,843.719 | 0.3% | 5,899.144 | -1.2% |
| 2018 | 199,469.086 | 9.1% | 6,493.373 | 10.1% |
| 2019 | 236,283.885 | 18.5% | 7,996.100 | 23.1% |
| 2020 | 224,559.224 | -5.0% | 8,287.104 | 3.6% |
| 2021 | 209,719.017 | -6.6% | 7,044.014 | -15.0% |
| 2022 | 227,883.943 | 8.7% | 7,444.320 | 5.7% |