Windsor and Maidenhead is an English Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 1,125,500,000 | 951,800,000 | 428.6 miles (689.7 km) |
| 2001 | 1,133,700,000 | 954,800,000 | 429.5 miles (691.2 km) |
| 2002 | 1,158,400,000 | 984,800,000 | 430.3 miles (692.5 km) |
| 2003 | 1,144,600,000 | 970,400,000 | 431.2 miles (693.9 km) |
| 2004 | 1,157,300,000 | 974,100,000 | 431.6 miles (694.6 km) |
| 2005 | 1,161,900,000 | 975,900,000 | 432.0 miles (695.2 km) |
| 2006 | 1,156,100,000 | 964,800,000 | 433.7 miles (697.9 km) |
| 2007 | 1,190,100,000 | 993,600,000 | 435.3 miles (700.5 km) |
| 2008 | 1,155,900,000 | 969,600,000 | 432.2 miles (695.6 km) |
| 2009 | 1,145,500,000 | 953,500,000 | 431.1 miles (693.8 km) |
| 2010 | 1,110,000,000 | 924,200,000 | 430.9 miles (693.4 km) |
| 2011 | 1,125,100,000 | 938,600,000 | 430.3 miles (692.5 km) |
| 2012 | 1,119,500,000 | 936,800,000 | 430.5 miles (692.8 km) |
| 2013 | 1,103,900,000 | 920,000,000 | 430.6 miles (693.0 km) |
| 2014 | 1,132,600,000 | 940,000,000 | 431.0 miles (693.6 km) |
| 2015 | 1,152,500,000 | 951,700,000 | 430.9 miles (693.5 km) |
| 2016 | 1,167,600,000 | 958,400,000 | 430.2 miles (692.3 km) |
| 2017 | 1,137,500,000 | 930,300,000 | 427.8 miles (688.5 km) |
| 2018 | 1,140,400,000 | 929,400,000 | 426.3 miles (686.1 km) |
| 2019 | 1,143,900,000 | 933,000,000 | 426.4 miles (686.2 km) |
| 2020 | 795,600,000 | 612,100,000 | 425.4 miles (684.6 km) |
| 2021 | 890,600,000 | 684,600,000 | 425.3 miles (684.4 km) |
| 2022 | 1,025,900,000 | 803,800,000 | 425.6 miles (684.9 km) |
| 2023 | 1,079,000,000 | 850,800,000 | 425.8 miles (685.3 km) |