Denbighshire is a Welsh Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 471,700,000 | 380,500,000 | 874.0 miles (1,406.5 km) |
| 2001 | 478,800,000 | 385,800,000 | 875.1 miles (1,408.3 km) |
| 2002 | 487,200,000 | 390,900,000 | 876.2 miles (1,410.1 km) |
| 2003 | 506,200,000 | 404,300,000 | 877.4 miles (1,412.1 km) |
| 2004 | 522,400,000 | 414,800,000 | 878.4 miles (1,413.7 km) |
| 2005 | 525,400,000 | 416,700,000 | 879.1 miles (1,414.7 km) |
| 2006 | 543,800,000 | 431,800,000 | 906.2 miles (1,458.4 km) |
| 2007 | 543,700,000 | 426,000,000 | 904.0 miles (1,454.8 km) |
| 2008 | 552,500,000 | 433,100,000 | 903.3 miles (1,453.7 km) |
| 2009 | 547,500,000 | 430,700,000 | 900.2 miles (1,448.8 km) |
| 2010 | 542,000,000 | 425,800,000 | 899.1 miles (1,447.0 km) |
| 2011 | 531,700,000 | 420,500,000 | 898.6 miles (1,446.2 km) |
| 2012 | 525,100,000 | 413,300,000 | 898.2 miles (1,445.5 km) |
| 2013 | 536,200,000 | 420,200,000 | 898.3 miles (1,445.6 km) |
| 2014 | 548,500,000 | 427,400,000 | 897.9 miles (1,445.0 km) |
| 2015 | 549,200,000 | 426,800,000 | 893.4 miles (1,437.8 km) |
| 2016 | 580,900,000 | 453,600,000 | 894.7 miles (1,439.9 km) |
| 2017 | 589,500,000 | 457,700,000 | 892.1 miles (1,435.7 km) |
| 2018 | 594,300,000 | 458,100,000 | 891.9 miles (1,435.4 km) |
| 2019 | 596,100,000 | 458,800,000 | 890.8 miles (1,433.6 km) |
| 2020 | 426,700,000 | 312,500,000 | 892.0 miles (1,435.5 km) |
| 2021 | 481,300,000 | 353,000,000 | 892.0 miles (1,435.5 km) |
| 2022 | 552,100,000 | 414,100,000 | 894.8 miles (1,440.0 km) |
| 2023 | 563,800,000 | 427,900,000 | 895.8 miles (1,441.6 km) |