Southend-on-Sea is an English Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 400,000,000 | 343,500,000 | 276.2 miles (444.5 km) |
| 2001 | 399,400,000 | 340,800,000 | 277.0 miles (445.7 km) |
| 2002 | 410,400,000 | 350,400,000 | 277.6 miles (446.8 km) |
| 2003 | 406,000,000 | 342,700,000 | 278.4 miles (448.1 km) |
| 2004 | 402,300,000 | 337,900,000 | 279.8 miles (450.3 km) |
| 2005 | 400,400,000 | 334,900,000 | 279.2 miles (449.4 km) |
| 2006 | 397,400,000 | 333,300,000 | 278.2 miles (447.7 km) |
| 2007 | 398,600,000 | 332,200,000 | 278.6 miles (448.4 km) |
| 2008 | 391,700,000 | 327,000,000 | 279.7 miles (450.1 km) |
| 2009 | 391,900,000 | 327,400,000 | 280.0 miles (450.6 km) |
| 2010 | 389,500,000 | 322,400,000 | 280.2 miles (450.9 km) |
| 2011 | 390,000,000 | 323,000,000 | 280.1 miles (450.8 km) |
| 2012 | 391,700,000 | 325,600,000 | 280.5 miles (451.4 km) |
| 2013 | 396,900,000 | 329,600,000 | 280.8 miles (452.0 km) |
| 2014 | 406,400,000 | 334,800,000 | 280.9 miles (452.1 km) |
| 2015 | 406,400,000 | 334,700,000 | 281.0 miles (452.2 km) |
| 2016 | 405,800,000 | 334,800,000 | 284.1 miles (457.2 km) |
| 2017 | 421,300,000 | 346,500,000 | 286.0 miles (460.3 km) |
| 2018 | 400,700,000 | 330,700,000 | 284.0 miles (457.1 km) |
| 2019 | 395,400,000 | 327,400,000 | 284.3 miles (457.5 km) |
| 2020 | 311,600,000 | 250,800,000 | 284.1 miles (457.3 km) |
| 2021 | 348,800,000 | 283,100,000 | 284.2 miles (457.3 km) |
| 2022 | 388,300,000 | 319,000,000 | 284.5 miles (457.9 km) |
| 2023 | 397,700,000 | 327,800,000 | 284.6 miles (458.0 km) |