Written question asked by Lee Anderson (Reform UK) on Tuesday, 15 September 2026, in the House of Commons. It was due for an answer on Monday, 12 October 2026. It was answered by Justin Madders (Labour) on Monday, 12 October 2026 on behalf of the Department for Transport.

Road Traffic

Question: To ask the Secretary of State for Transport, what data her Department holds on trends in the average number of vehicles on the roads from 2000 onwards.

Answer

Information on the volume of traffic on roads across Great Britain is collected and published by the Department here https://www.gov.uk/government/collections/road-traffic-statistics.

The data held by the Department for 2000 to 2025 showed that 342.6 billion vehicle miles were travelled on Great Britain’s roads in 2025, compared to 289.6 billion miles in 2000.

Year	All Motor Vehicles (Billion vehicle miles)
2000	289.6
2001	293.5
2002	300.2
2003	302.0
2004	305.7
2005	305.8
2006	310.4
2007	313.3
2008	310.5
2009	307.3
2010	303.2
2011	304.3
2012	304.6
2013	305.8
2014	314.5
2015	320.4
2016	327.9
2017	332.5
2018	334.2
2019	338.6
2020	265.9
2021	297.6
2022	323.7
2023	330.8
2024	336.2
2025	342.6

Secondary information

Type: Written question
Reference: 30115
Session: 2026-27
Subjects: Road traffic
Contains statistics: Yes
Link: View this Written question on www.parliament.uk

Road Traffic

Secondary information

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