Blaenau Gwent is a Welsh Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 217,900,000 | 180,300,000 | 246.1 miles (396.0 km) |
| 2001 | 219,200,000 | 181,400,000 | 246.5 miles (396.7 km) |
| 2002 | 221,700,000 | 183,500,000 | 247.2 miles (397.8 km) |
| 2003 | 220,500,000 | 181,100,000 | 247.7 miles (398.7 km) |
| 2004 | 231,200,000 | 189,900,000 | 248.8 miles (400.4 km) |
| 2005 | 237,400,000 | 195,300,000 | 249.5 miles (401.6 km) |
| 2006 | 235,000,000 | 193,000,000 | 252.5 miles (406.3 km) |
| 2007 | 239,600,000 | 194,700,000 | 254.3 miles (409.2 km) |
| 2008 | 242,000,000 | 197,000,000 | 254.4 miles (409.4 km) |
| 2009 | 242,600,000 | 198,600,000 | 254.5 miles (409.6 km) |
| 2010 | 237,600,000 | 193,400,000 | 254.8 miles (410.0 km) |
| 2011 | 242,600,000 | 197,000,000 | 255.6 miles (411.4 km) |
| 2012 | 243,700,000 | 197,200,000 | 256.0 miles (412.0 km) |
| 2013 | 246,300,000 | 198,800,000 | 257.6 miles (414.5 km) |
| 2014 | 251,800,000 | 202,500,000 | 259.3 miles (417.4 km) |
| 2015 | 268,700,000 | 215,700,000 | 260.7 miles (419.5 km) |
| 2016 | 276,600,000 | 222,500,000 | 262.6 miles (422.6 km) |
| 2017 | 262,500,000 | 209,200,000 | 259.7 miles (417.9 km) |
| 2018 | 263,700,000 | 210,900,000 | 260.6 miles (419.4 km) |
| 2019 | 266,200,000 | 214,500,000 | 260.3 miles (418.8 km) |
| 2020 | 206,100,000 | 161,000,000 | 260.4 miles (419.0 km) |
| 2021 | 230,000,000 | 179,300,000 | 260.4 miles (419.1 km) |
| 2022 | 252,500,000 | 199,100,000 | 261.1 miles (420.2 km) |
| 2023 | 255,600,000 | 202,900,000 | 261.6 miles (420.9 km) |