National Highways is asking motorists to follow the following diversion after the collision.
Exit the M1 southbound at J6
At the end of the exit slip ‘Waterdale’ turn left on to the A405/St Albans Road/Kingsway North Orbital Road
At the Leavesdon roundabout/A41 Interchange take the 1st exit on the A41 ‘N. Western Avenue’.
At the Dome roundabout take the 2nd exit continuing on the A41 ‘Colne Way’/N. Western Avenue’.
At the Berrygrove roundabout take the 2nd exit to access the M1 J5 southbound entry slip.
