Suffolk is an English County.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 3,474,100,000 | 2,704,000,000 | 4,245.3 miles (6,832.1 km) |
| 2001 | 3,527,200,000 | 2,743,700,000 | 4,251.7 miles (6,842.4 km) |
| 2002 | 3,603,800,000 | 2,800,300,000 | 4,258.0 miles (6,852.6 km) |
| 2003 | 3,649,700,000 | 2,819,900,000 | 4,264.6 miles (6,863.3 km) |
| 2004 | 3,700,200,000 | 2,852,500,000 | 4,246.0 miles (6,833.3 km) |
| 2005 | 3,686,700,000 | 2,824,000,000 | 4,250.0 miles (6,839.6 km) |
| 2006 | 3,753,600,000 | 2,867,300,000 | 4,327.0 miles (6,963.7 km) |
| 2007 | 3,736,600,000 | 2,812,100,000 | 4,331.8 miles (6,971.3 km) |
| 2008 | 3,691,300,000 | 2,790,300,000 | 4,334.1 miles (6,975.0 km) |
| 2009 | 3,615,600,000 | 2,758,400,000 | 4,323.9 miles (6,958.6 km) |
| 2010 | 3,631,500,000 | 2,761,500,000 | 4,328.7 miles (6,966.4 km) |
| 2011 | 3,617,600,000 | 2,759,600,000 | 4,331.4 miles (6,970.7 km) |
| 2012 | 3,629,900,000 | 2,765,400,000 | 4,334.6 miles (6,975.9 km) |
| 2013 | 3,648,500,000 | 2,782,500,000 | 4,337.8 miles (6,981.0 km) |
| 2014 | 3,754,800,000 | 2,854,300,000 | 4,336.7 miles (6,979.2 km) |
| 2015 | 3,882,400,000 | 2,925,700,000 | 4,364.9 miles (7,024.6 km) |
| 2016 | 4,015,400,000 | 3,018,000,000 | 4,377.3 miles (7,044.6 km) |
| 2017 | 4,178,800,000 | 3,129,300,000 | 4,374.2 miles (7,039.6 km) |
| 2018 | 4,151,100,000 | 3,111,700,000 | 4,345.5 miles (6,993.4 km) |
| 2019 | 4,177,900,000 | 3,139,500,000 | 4,341.7 miles (6,987.3 km) |
| 2020 | 3,294,200,000 | 2,355,000,000 | 4,350.7 miles (7,001.8 km) |
| 2021 | 3,728,900,000 | 2,676,200,000 | 4,354.8 miles (7,008.4 km) |
| 2022 | 4,001,400,000 | 2,927,200,000 | 4,187.8 miles (6,739.6 km) |
| 2023 | 4,104,700,000 | 3,019,700,000 | 4,198.6 miles (6,757.0 km) |