West Sussex is an English County.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 4,488,900,000 | 3,787,000,000 | 2,818.6 miles (4,536.1 km) |
| 2001 | 4,512,900,000 | 3,802,100,000 | 2,823.6 miles (4,544.1 km) |
| 2002 | 4,508,900,000 | 3,792,700,000 | 2,828.6 miles (4,552.2 km) |
| 2003 | 4,545,500,000 | 3,791,200,000 | 2,834.9 miles (4,562.4 km) |
| 2004 | 4,484,100,000 | 3,728,200,000 | 2,669.6 miles (4,296.3 km) |
| 2005 | 4,468,900,000 | 3,705,300,000 | 2,672.8 miles (4,301.4 km) |
| 2006 | 4,458,300,000 | 3,701,100,000 | 2,715.1 miles (4,369.5 km) |
| 2007 | 4,421,600,000 | 3,639,400,000 | 2,664.1 miles (4,287.5 km) |
| 2008 | 4,284,500,000 | 3,511,800,000 | 2,561.4 miles (4,122.2 km) |
| 2009 | 4,213,200,000 | 3,457,600,000 | 2,582.2 miles (4,155.7 km) |
| 2010 | 4,148,600,000 | 3,383,400,000 | 2,589.1 miles (4,166.8 km) |
| 2011 | 4,167,500,000 | 3,396,800,000 | 2,592.3 miles (4,171.9 km) |
| 2012 | 4,132,100,000 | 3,362,400,000 | 2,596.8 miles (4,179.2 km) |
| 2013 | 4,092,300,000 | 3,323,900,000 | 2,604.5 miles (4,191.5 km) |
| 2014 | 4,205,600,000 | 3,394,000,000 | 2,611.2 miles (4,202.4 km) |
| 2015 | 4,320,800,000 | 3,470,600,000 | 2,622.0 miles (4,219.7 km) |
| 2016 | 4,454,700,000 | 3,559,700,000 | 2,654.0 miles (4,271.3 km) |
| 2017 | 4,473,100,000 | 3,572,500,000 | 2,667.7 miles (4,293.2 km) |
| 2018 | 4,450,800,000 | 3,541,900,000 | 2,664.5 miles (4,288.0 km) |
| 2019 | 4,478,800,000 | 3,574,600,000 | 2,675.0 miles (4,304.9 km) |
| 2020 | 3,531,700,000 | 2,709,700,000 | 2,691.9 miles (4,332.3 km) |
| 2021 | 3,897,800,000 | 2,996,400,000 | 2,698.7 miles (4,343.1 km) |
| 2022 | 4,151,600,000 | 3,223,300,000 | 2,563.9 miles (4,126.2 km) |
| 2023 | 4,264,500,000 | 3,336,600,000 | 2,573.9 miles (4,142.2 km) |