Torfaen is a Welsh Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 336,700,000 | 283,600,000 | 290.6 miles (467.7 km) |
| 2001 | 339,600,000 | 285,000,000 | 291.2 miles (468.7 km) |
| 2002 | 344,400,000 | 289,300,000 | 291.9 miles (469.8 km) |
| 2003 | 352,700,000 | 293,600,000 | 292.6 miles (470.9 km) |
| 2004 | 351,800,000 | 292,200,000 | 293.2 miles (471.9 km) |
| 2005 | 349,200,000 | 289,400,000 | 293.7 miles (472.6 km) |
| 2006 | 362,100,000 | 299,800,000 | 292.4 miles (470.5 km) |
| 2007 | 356,200,000 | 294,200,000 | 291.7 miles (469.5 km) |
| 2008 | 364,100,000 | 300,200,000 | 292.3 miles (470.4 km) |
| 2009 | 357,200,000 | 294,700,000 | 293.2 miles (471.9 km) |
| 2010 | 351,600,000 | 289,500,000 | 294.2 miles (473.5 km) |
| 2011 | 355,900,000 | 293,500,000 | 294.5 miles (474.0 km) |
| 2012 | 355,100,000 | 293,600,000 | 295.4 miles (475.3 km) |
| 2013 | 353,400,000 | 291,800,000 | 295.7 miles (475.8 km) |
| 2014 | 376,600,000 | 310,700,000 | 296.7 miles (477.4 km) |
| 2015 | 387,600,000 | 318,600,000 | 297.0 miles (478.0 km) |
| 2016 | 403,100,000 | 331,200,000 | 297.1 miles (478.1 km) |
| 2017 | 397,100,000 | 322,800,000 | 295.0 miles (474.7 km) |
| 2018 | 419,900,000 | 340,500,000 | 297.5 miles (478.8 km) |
| 2019 | 422,600,000 | 346,200,000 | 299.3 miles (481.6 km) |
| 2020 | 336,100,000 | 267,000,000 | 299.6 miles (482.1 km) |
| 2021 | 387,700,000 | 309,700,000 | 299.6 miles (482.1 km) |
| 2022 | 420,600,000 | 338,500,000 | 300.7 miles (483.9 km) |
| 2023 | 430,800,000 | 350,200,000 | 301.4 miles (485.1 km) |