It could be a very long journey home for many of you this evening; especially those living in Hertfordshire with nine miles of congestion on the M25.

One lane is shut clockwise between j22 for St Albans and j23 for South Mimms because of a three car crash. Emergency services are at the scene.

Very severe delays back to j20 for Kings Langley.

Near St Albans, queues on the A405 approaching the Park Street roundabout and queues at either end of the A414 between Park Street and London Colney.

Queues on the M1 northbound because of a crash between j8 and j9. Gridlock all the way back to near j4.

Very slow traffic at the Hartspring roundabout near Bushey, especially on Radlett Road from Aldenham.

Queues on Waterfields Way towards Bushey Arches in Watford and on stretches of the A41 between Kings Langley and Colne Way.

In London, slow traffic on the North Circular through Enfield and East Barnet.

Long delays on the A1 southbound between Rowley Lane and Apex Corner via Borehamwood. Queues on all routes between Arkley, Barnet Gate, Elstree, and Mill Hill.

Heavy traffic on the A4005 towards Harrow-on-the Hill.