Ceredigion is a Welsh Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 402,600,000 | 306,700,000 | 1,394.5 miles (2,244.2 km) |
| 2001 | 409,100,000 | 313,500,000 | 1,396.0 miles (2,246.7 km) |
| 2002 | 426,500,000 | 327,300,000 | 1,397.7 miles (2,249.4 km) |
| 2003 | 441,900,000 | 338,600,000 | 1,399.4 miles (2,252.0 km) |
| 2004 | 444,900,000 | 341,800,000 | 1,400.0 miles (2,253.1 km) |
| 2005 | 442,000,000 | 337,000,000 | 1,393.7 miles (2,243.0 km) |
| 2006 | 447,800,000 | 339,400,000 | 1,387.7 miles (2,233.2 km) |
| 2007 | 462,300,000 | 348,200,000 | 1,387.3 miles (2,232.6 km) |
| 2008 | 454,900,000 | 338,600,000 | 1,387.2 miles (2,232.4 km) |
| 2009 | 454,000,000 | 339,200,000 | 1,417.0 miles (2,280.4 km) |
| 2010 | 448,600,000 | 332,400,000 | 1,419.0 miles (2,283.7 km) |
| 2011 | 443,500,000 | 330,000,000 | 1,419.6 miles (2,284.6 km) |
| 2012 | 442,200,000 | 327,300,000 | 1,421.0 miles (2,286.9 km) |
| 2013 | 447,400,000 | 331,000,000 | 1,420.4 miles (2,285.9 km) |
| 2014 | 463,800,000 | 341,400,000 | 1,418.5 miles (2,282.9 km) |
| 2015 | 467,200,000 | 345,100,000 | 1,417.6 miles (2,281.5 km) |
| 2016 | 499,600,000 | 369,000,000 | 1,415.5 miles (2,278.1 km) |
| 2017 | 502,900,000 | 367,400,000 | 1,414.4 miles (2,276.3 km) |
| 2018 | 505,100,000 | 367,300,000 | 1,412.6 miles (2,273.4 km) |
| 2019 | 507,200,000 | 366,100,000 | 1,410.3 miles (2,269.6 km) |
| 2020 | 392,500,000 | 273,800,000 | 1,407.9 miles (2,265.7 km) |
| 2021 | 434,000,000 | 301,400,000 | 1,404.1 miles (2,259.7 km) |
| 2022 | 466,900,000 | 329,400,000 | 1,404.2 miles (2,259.8 km) |
| 2023 | 469,100,000 | 335,400,000 | 1,404.4 miles (2,260.2 km) |