NewsUK NewsRoad Traffic AccidentsLIVEUpdated 12 mins agoThe M25 anti-clockwise in Hertfordshire is shut between South Mimms and St Albans following a serious collisionA section of the M25 is closed(Image: Highways England)A large section of the M25 in Hertfordshire is closed following a serious collision, with long queues forming on the motorway this evening.The road is shut anti-clockwise between J23 (A1M, South Mimms) and J22 (St Albans), National Highways said."All emergency services including Hertfordshire Police are in attendance," it added. "National Highways Traffic Officers are also on scene providing assistance with traffic management."‌View PostView PostToday18:08 BSTCollision involved motorcycle The M25 closure remains in place following a "serious" crash, which involved a motorcycle, National Highways said. Hertfordshire Police and East England Ambulance Service are currently at the scene.Drivers are facing 60-minute delays(Image: Highways England)Today18:04 BSTRecommended diversion routeDiverted traffic is advised to follow the hollow square diversion symbol:Exit the M25 anti-clockwise at J23 and take the 4th exit at the roundabout onto the A1M northbound towards HatfieldExit the A1M northbound at J3 and take the 1st exit at the roundabout onto the A414 towards St AlbansAt the A141/A1081 London Colney Roundabout, take the 1st exit onto the A1081 towards LondonAt he next roundabout take the 3rd exit towards Radlett then cross over the M25 to the next roundabout and then take the 2nd exit onto the B556 towards RadlettAt the next roundabout take the 2nd exit to re-join the M25 anti-clockwiseToday17:59 BST'60-minute delay approaching closure'There is currently an hour-long delay approaching the closure at J23, with 6 miles of congestion.Drivers are being told to plan ahead, re-route or even delay their journeys.Today17:57 BSTLatest from National HighwaysThe M25 remains closed between South Mimms and St Albans. National Highways has warned drivers in the area to expect delays.Content cannot be displayed without consentToday17:53 BSTM25 closed due to 'serious collision'The M25 in Hertfordshire is closed anti-clockwise between J23 (A1M, South Mimms) and J22 (St Albans) due to a serious collision.‌