Powys is a Welsh Unitary Authority. It was created in June 2009.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 823,500,000 | 615,100,000 | 3,206.3 miles (5,160.1 km) |
| 2001 | 822,100,000 | 618,100,000 | 3,210.1 miles (5,166.2 km) |
| 2002 | 868,600,000 | 657,700,000 | 3,213.9 miles (5,172.3 km) |
| 2003 | 890,600,000 | 672,900,000 | 3,217.8 miles (5,178.5 km) |
| 2004 | 900,500,000 | 681,300,000 | 3,217.4 miles (5,177.9 km) |
| 2005 | 908,900,000 | 683,300,000 | 3,218.3 miles (5,179.3 km) |
| 2006 | 939,600,000 | 706,900,000 | 3,382.4 miles (5,443.4 km) |
| 2007 | 945,600,000 | 701,900,000 | 3,374.6 miles (5,430.9 km) |
| 2008 | 941,800,000 | 694,800,000 | 3,373.0 miles (5,428.3 km) |
| 2009 | 939,000,000 | 694,000,000 | 3,361.5 miles (5,409.8 km) |
| 2010 | 934,200,000 | 685,400,000 | 3,359.0 miles (5,405.8 km) |
| 2011 | 926,300,000 | 680,900,000 | 3,352.9 miles (5,395.9 km) |
| 2012 | 922,500,000 | 677,200,000 | 3,354.1 miles (5,397.9 km) |
| 2013 | 932,100,000 | 684,400,000 | 3,358.7 miles (5,405.2 km) |
| 2014 | 961,100,000 | 702,300,000 | 3,358.3 miles (5,404.7 km) |
| 2015 | 981,700,000 | 720,500,000 | 3,344.1 miles (5,381.8 km) |
| 2016 | 1,037,500,000 | 759,100,000 | 3,343.5 miles (5,380.8 km) |
| 2017 | 1,049,600,000 | 759,900,000 | 3,344.7 miles (5,382.7 km) |
| 2018 | 1,050,000,000 | 753,500,000 | 3,335.4 miles (5,367.8 km) |
| 2019 | 1,067,500,000 | 764,600,000 | 3,331.7 miles (5,361.8 km) |
| 2020 | 810,600,000 | 558,200,000 | 3,328.7 miles (5,357.0 km) |
| 2021 | 904,500,000 | 619,800,000 | 3,321.2 miles (5,344.9 km) |
| 2022 | 983,400,000 | 683,300,000 | 3,321.4 miles (5,345.3 km) |
| 2023 | 1,005,200,000 | 708,200,000 | 3,323.2 miles (5,348.1 km) |