St. Helens is an English Metropolitan District.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 767,400,000 | 610,400,000 | 446.4 miles (718.4 km) |
| 2001 | 759,000,000 | 603,800,000 | 446.5 miles (718.6 km) |
| 2002 | 771,100,000 | 612,500,000 | 447.5 miles (720.2 km) |
| 2003 | 785,800,000 | 620,900,000 | 448.6 miles (721.9 km) |
| 2004 | 783,000,000 | 621,000,000 | 450.7 miles (725.3 km) |
| 2005 | 760,400,000 | 600,000,000 | 453.2 miles (729.4 km) |
| 2006 | 803,500,000 | 628,400,000 | 450.2 miles (724.5 km) |
| 2007 | 796,900,000 | 617,900,000 | 451.6 miles (726.7 km) |
| 2008 | 833,000,000 | 651,300,000 | 454.1 miles (730.8 km) |
| 2009 | 797,900,000 | 630,300,000 | 455.4 miles (732.9 km) |
| 2010 | 785,200,000 | 619,200,000 | 455.0 miles (732.2 km) |
| 2011 | 807,600,000 | 638,000,000 | 455.2 miles (732.5 km) |
| 2012 | 788,600,000 | 619,200,000 | 456.2 miles (734.2 km) |
| 2013 | 793,700,000 | 620,800,000 | 456.8 miles (735.2 km) |
| 2014 | 829,800,000 | 648,500,000 | 456.9 miles (735.4 km) |
| 2015 | 843,700,000 | 656,400,000 | 457.5 miles (736.2 km) |
| 2016 | 868,500,000 | 676,300,000 | 459.1 miles (738.9 km) |
| 2017 | 866,600,000 | 673,900,000 | 458.3 miles (737.6 km) |
| 2018 | 861,400,000 | 666,600,000 | 458.5 miles (737.9 km) |
| 2019 | 857,600,000 | 667,500,000 | 460.0 miles (740.2 km) |
| 2020 | 692,100,000 | 512,000,000 | 461.4 miles (742.5 km) |
| 2021 | 747,000,000 | 554,600,000 | 462.1 miles (743.8 km) |
| 2022 | 826,700,000 | 619,500,000 | 462.3 miles (743.9 km) |
| 2023 | 843,800,000 | 636,300,000 | 463.5 miles (745.9 km) |