Peterborough is an English Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 1,013,400,000 | 823,300,000 | 546.4 miles (879.4 km) |
| 2001 | 1,022,300,000 | 827,800,000 | 547.5 miles (881.1 km) |
| 2002 | 1,047,400,000 | 849,200,000 | 548.4 miles (882.6 km) |
| 2003 | 1,059,600,000 | 852,600,000 | 549.2 miles (883.9 km) |
| 2004 | 1,085,200,000 | 872,800,000 | 553.6 miles (891.0 km) |
| 2005 | 1,072,300,000 | 856,400,000 | 555.1 miles (893.3 km) |
| 2006 | 1,085,500,000 | 866,900,000 | 555.7 miles (894.4 km) |
| 2007 | 1,089,500,000 | 864,800,000 | 565.6 miles (910.2 km) |
| 2008 | 1,075,100,000 | 852,900,000 | 564.8 miles (908.9 km) |
| 2009 | 1,066,600,000 | 853,000,000 | 567.4 miles (913.1 km) |
| 2010 | 1,065,100,000 | 848,400,000 | 572.2 miles (920.8 km) |
| 2011 | 1,055,100,000 | 843,900,000 | 574.3 miles (924.3 km) |
| 2012 | 1,038,200,000 | 831,200,000 | 586.5 miles (943.9 km) |
| 2013 | 1,061,800,000 | 850,000,000 | 589.6 miles (948.9 km) |
| 2014 | 1,099,800,000 | 875,000,000 | 591.7 miles (952.2 km) |
| 2015 | 1,130,600,000 | 897,300,000 | 589.5 miles (948.7 km) |
| 2016 | 1,153,700,000 | 911,900,000 | 594.0 miles (956.0 km) |
| 2017 | 1,211,400,000 | 950,700,000 | 596.9 miles (960.6 km) |
| 2018 | 1,213,700,000 | 953,300,000 | 602.5 miles (969.7 km) |
| 2019 | 1,234,000,000 | 972,900,000 | 603.3 miles (970.9 km) |
| 2020 | 967,800,000 | 730,500,000 | 608.7 miles (979.7 km) |
| 2021 | 1,079,300,000 | 816,100,000 | 609.8 miles (981.4 km) |
| 2022 | 1,209,600,000 | 922,700,000 | 617.5 miles (993.7 km) |
| 2023 | 1,190,100,000 | 920,600,000 | 619.6 miles (997.1 km) |