Cumbria was an English County. It was abolished in March 2023.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 3,252,400,000 | 2,494,200,000 | 4,933.2 miles (7,939.2 km) |
| 2001 | 3,242,800,000 | 2,474,500,000 | 4,940.3 miles (7,950.6 km) |
| 2002 | 3,333,700,000 | 2,558,800,000 | 4,947.2 miles (7,961.8 km) |
| 2003 | 3,359,100,000 | 2,589,600,000 | 4,954.4 miles (7,973.3 km) |
| 2004 | 3,419,700,000 | 2,610,900,000 | 4,867.1 miles (7,832.8 km) |
| 2005 | 3,404,700,000 | 2,586,600,000 | 4,875.5 miles (7,846.4 km) |
| 2006 | 3,454,100,000 | 2,620,400,000 | 5,050.4 miles (8,127.9 km) |
| 2007 | 3,469,200,000 | 2,606,800,000 | 5,055.4 miles (8,135.8 km) |
| 2008 | 3,427,300,000 | 2,576,900,000 | 5,032.9 miles (8,099.6 km) |
| 2009 | 3,424,400,000 | 2,599,000,000 | 5,042.2 miles (8,114.6 km) |
| 2010 | 3,367,800,000 | 2,542,400,000 | 5,035.5 miles (8,103.9 km) |
| 2011 | 3,342,000,000 | 2,519,700,000 | 5,032.7 miles (8,099.3 km) |
| 2012 | 3,374,100,000 | 2,549,300,000 | 5,041.1 miles (8,112.9 km) |
| 2013 | 3,398,100,000 | 2,563,000,000 | 5,043.0 miles (8,115.9 km) |
| 2014 | 3,488,700,000 | 2,612,400,000 | 5,033.5 miles (8,100.6 km) |
| 2015 | 3,557,200,000 | 2,629,600,000 | 5,023.1 miles (8,083.9 km) |
| 2016 | 3,647,400,000 | 2,685,900,000 | 5,024.3 miles (8,085.8 km) |
| 2017 | 3,724,500,000 | 2,734,700,000 | 5,021.2 miles (8,080.8 km) |
| 2018 | 3,846,800,000 | 2,873,800,000 | 5,013.5 miles (8,068.5 km) |
| 2019 | 3,904,200,000 | 2,909,300,000 | 5,008.7 miles (8,060.7 km) |
| 2020 | 2,888,100,000 | 1,996,100,000 | 5,004.0 miles (8,053.2 km) |
| 2021 | 3,266,100,000 | 2,282,600,000 | 5,006.8 miles (8,057.7 km) |
| 2022 | 3,588,600,000 | 2,542,700,000 | 4,947.1 miles (7,961.6 km) |