Flintshire is a Welsh Unitary Authority.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 946,600,000 | 771,800,000 | 773.6 miles (1,245.0 km) |
| 2001 | 944,300,000 | 767,000,000 | 774.9 miles (1,247.1 km) |
| 2002 | 971,800,000 | 788,100,000 | 776.7 miles (1,249.9 km) |
| 2003 | 992,600,000 | 798,900,000 | 778.0 miles (1,252.1 km) |
| 2004 | 996,200,000 | 799,900,000 | 779.7 miles (1,254.8 km) |
| 2005 | 992,500,000 | 794,300,000 | 780.1 miles (1,255.5 km) |
| 2006 | 1,032,000,000 | 828,000,000 | 797.8 miles (1,283.9 km) |
| 2007 | 1,035,900,000 | 825,700,000 | 796.2 miles (1,281.4 km) |
| 2008 | 1,034,400,000 | 828,200,000 | 795.9 miles (1,280.9 km) |
| 2009 | 1,015,100,000 | 819,700,000 | 796.5 miles (1,281.8 km) |
| 2010 | 985,900,000 | 793,200,000 | 795.7 miles (1,280.5 km) |
| 2011 | 974,100,000 | 781,400,000 | 795.7 miles (1,280.6 km) |
| 2012 | 977,900,000 | 783,700,000 | 796.6 miles (1,281.9 km) |
| 2013 | 983,400,000 | 785,100,000 | 797.9 miles (1,284.0 km) |
| 2014 | 1,008,000,000 | 798,600,000 | 796.6 miles (1,282.0 km) |
| 2015 | 1,037,800,000 | 818,600,000 | 797.7 miles (1,283.7 km) |
| 2016 | 1,086,900,000 | 854,300,000 | 800.4 miles (1,288.0 km) |
| 2017 | 1,112,100,000 | 874,500,000 | 800.3 miles (1,287.9 km) |
| 2018 | 1,120,100,000 | 875,200,000 | 800.3 miles (1,288.0 km) |
| 2019 | 1,131,100,000 | 884,800,000 | 800.1 miles (1,287.6 km) |
| 2020 | 855,000,000 | 643,800,000 | 799.1 miles (1,286.0 km) |
| 2021 | 981,400,000 | 736,800,000 | 800.3 miles (1,288.0 km) |
| 2022 | 1,063,800,000 | 806,400,000 | 801.6 miles (1,290.1 km) |
| 2023 | 1,083,100,000 | 839,400,000 | 803.3 miles (1,292.9 km) |