A woman has died after being hit by a vehicle on the M1 - with the police investigation causing two-hour delays this morning.

The Met Police were called shortly before 6.50pm yesterday (February 28) to reports of the collision involving a vehicle and a pedestrian near to the junction 3 southbound entry slip.

Emergency services attended but despite their best efforts, the woman was pronounced dead at the scene. No one has been arrested.

The Met Police said enquiries are continuing and urged any witnesses or people with dashcam footage to call 101, quoting reference 5695/28Feb.

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The incident has caused delays of over two hours on the M1 this morning, with the motorway closed southbound between junction 4 for Edgware and junction 1 for Brent Cross.

There are also long delays on the A41 near Bushey and a closure in Edgware Way.

Watford Observer: Delays of over two hours on the M1, as of 8.30am, stretching back to Watford.Delays of over two hours on the M1, as of 8.30am, stretching back to Watford. (Image: Google Maps)

Diversion route

-Exit the M1 southbound at junction 4 to join the A41 ‘Watford Bypass’.

-At the first roundabout take the 1st exit onto the A41 ‘Edgeware Way / Watford Bypass’.

-At ‘Apex Corner’ roundabout take the 2nd exit to join the A1 ‘Watford Way’.

-At the ‘Mill Hill Circus’ roundabout take the 2nd exit to continue on the A1 ‘Edgeware Bypass / Watford Way’.

-At the ‘Fiveways Corner’ interchange take the 2nd exit to join the A41 ‘Watford Way’ southbound directional towards ‘C.London’.

-Continue on the A41 southbound through ‘Colindeep’ and ‘Hendon Central’ interchanges.

-At the ‘Brent Cross’ interchange exit the A41 and take the 3rd exit to join the A406 (W) ‘North Circular’ anti-clockwise.

-Take the next exit on the A406 (W) to access ‘Staples Corner’ interchange which is J1 on the M1.