South Gloucestershire is an English Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 2,051,000,000 | 1,651,000,000 | 918.1 miles (1,477.6 km) |
| 2001 | 2,105,500,000 | 1,700,100,000 | 919.9 miles (1,480.5 km) |
| 2002 | 2,197,700,000 | 1,765,300,000 | 923.9 miles (1,486.9 km) |
| 2003 | 2,211,700,000 | 1,766,000,000 | 925.6 miles (1,489.6 km) |
| 2004 | 2,263,500,000 | 1,802,700,000 | 938.3 miles (1,510.1 km) |
| 2005 | 2,316,100,000 | 1,844,800,000 | 939.3 miles (1,511.7 km) |
| 2006 | 2,375,100,000 | 1,897,500,000 | 944.6 miles (1,520.2 km) |
| 2007 | 2,419,600,000 | 1,914,200,000 | 947.7 miles (1,525.1 km) |
| 2008 | 2,413,900,000 | 1,911,600,000 | 945.9 miles (1,522.3 km) |
| 2009 | 2,391,000,000 | 1,905,900,000 | 945.4 miles (1,521.5 km) |
| 2010 | 2,363,100,000 | 1,886,000,000 | 944.4 miles (1,519.9 km) |
| 2011 | 2,369,400,000 | 1,895,900,000 | 943.9 miles (1,519.1 km) |
| 2012 | 2,325,400,000 | 1,852,400,000 | 948.7 miles (1,526.8 km) |
| 2013 | 2,363,400,000 | 1,873,600,000 | 954.7 miles (1,536.4 km) |
| 2014 | 2,459,800,000 | 1,942,300,000 | 963.1 miles (1,549.9 km) |
| 2015 | 2,533,400,000 | 1,991,800,000 | 965.9 miles (1,554.4 km) |
| 2016 | 2,595,000,000 | 2,029,500,000 | 967.4 miles (1,556.8 km) |
| 2017 | 2,624,200,000 | 2,044,400,000 | 975.0 miles (1,569.2 km) |
| 2018 | 2,634,400,000 | 2,047,900,000 | 984.8 miles (1,584.8 km) |
| 2019 | 2,702,200,000 | 2,083,700,000 | 989.7 miles (1,592.8 km) |
| 2020 | 2,074,100,000 | 1,522,600,000 | 997.7 miles (1,605.7 km) |
| 2021 | 2,381,900,000 | 1,740,300,000 | 1,001.3 miles (1,611.5 km) |
| 2022 | 2,554,200,000 | 1,897,500,000 | 969.4 miles (1,560.1 km) |
| 2023 | 2,617,300,000 | 1,958,700,000 | 975.1 miles (1,569.2 km) |