North Somerset is an English Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 1,231,800,000 | 1,009,500,000 | 697.0 miles (1,121.7 km) |
| 2001 | 1,297,100,000 | 1,071,300,000 | 698.4 miles (1,123.9 km) |
| 2002 | 1,316,400,000 | 1,081,800,000 | 699.6 miles (1,125.9 km) |
| 2003 | 1,348,700,000 | 1,098,600,000 | 701.0 miles (1,128.1 km) |
| 2004 | 1,379,100,000 | 1,116,200,000 | 687.9 miles (1,107.0 km) |
| 2005 | 1,394,800,000 | 1,138,600,000 | 690.2 miles (1,110.7 km) |
| 2006 | 1,393,400,000 | 1,134,600,000 | 714.8 miles (1,150.3 km) |
| 2007 | 1,455,300,000 | 1,177,100,000 | 709.4 miles (1,141.6 km) |
| 2008 | 1,485,200,000 | 1,203,900,000 | 710.8 miles (1,143.9 km) |
| 2009 | 1,454,600,000 | 1,178,500,000 | 714.0 miles (1,149.1 km) |
| 2010 | 1,421,100,000 | 1,151,600,000 | 715.3 miles (1,151.2 km) |
| 2011 | 1,413,400,000 | 1,145,200,000 | 714.5 miles (1,149.9 km) |
| 2012 | 1,438,300,000 | 1,158,400,000 | 714.3 miles (1,149.6 km) |
| 2013 | 1,448,100,000 | 1,160,900,000 | 716.2 miles (1,152.6 km) |
| 2014 | 1,480,800,000 | 1,182,800,000 | 717.4 miles (1,154.6 km) |
| 2015 | 1,490,700,000 | 1,189,100,000 | 722.2 miles (1,162.2 km) |
| 2016 | 1,591,300,000 | 1,270,300,000 | 726.0 miles (1,168.3 km) |
| 2017 | 1,607,000,000 | 1,276,900,000 | 729.5 miles (1,174.0 km) |
| 2018 | 1,659,000,000 | 1,324,900,000 | 729.1 miles (1,173.4 km) |
| 2019 | 1,689,600,000 | 1,345,300,000 | 729.2 miles (1,173.5 km) |
| 2020 | 1,290,800,000 | 998,300,000 | 730.9 miles (1,176.3 km) |
| 2021 | 1,457,500,000 | 1,127,600,000 | 732.9 miles (1,179.5 km) |
| 2022 | 1,571,700,000 | 1,218,400,000 | 705.9 miles (1,136.0 km) |
| 2023 | 1,604,900,000 | 1,256,700,000 | 710.0 miles (1,142.6 km) |