Press release

Traffic bulletin: Lane closure on M25 in Hertfordshire

Road users in Hertfordshire are advised that lane one on the clockwise M25 will be closed today (Thursday 12 March) between junctions 21a and 22 due to emergency repairs following an earlier incident. It is anticipated that the lane will reopen overnight.


Drivers using this section of the M25 are advised to plan their journeys and allow some extra time to reach their destinations.

Live traffic information is available on the Highways Agency’s website and mobile app, and drivers can also listen to traffic bulletins on local radio for updates.

General enquiries

Members of the public should contact the Highways Agency Information Line on 0300 123 5000.

Media enquiries

Journalists should contact the Highways Agency press office on 0844 693 1448 and use the menu to speak to the most appropriate press officer.

Published 12 March 2015