The M1 in Hertfordshire had to be closed southbound between Junction 6 (St Albans) and J5 (Watford) due to a multi-vehicle collision on Friday evening (May 2). Emergency services rushed to the scene with a full diversion route in place.
There were reports of severe delays with congestion tailing back to Junction 8 (Hemel Hempstead), with the opposite side back to Junction 4 ( Edgware ). National Highways urged drivers on Friday to re-route or even delay journeys where possible.
It is understood the crash happened shortly before 5pm on Friday (May 2), with an air ambulance landing on the carriageway. A driver caught up in the delays reports seeing at least six fire engines, five ambulances and 10 plus police cars.
Follow our live updates below on the traffic situation on the M1 and from the emergency services when received.
Get the top stories from across London directly to your inbox. Sign up for MyLondon’s Daily Newsletter HERE to get the biggest stories every day
