Three lanes of four are shut causing major disruption on the M1 this morning.

The partial block is in Hertfordshire, between Junctions 9 and Junction 8, near Dunstable and Hemel Hempstead, due to a crash.

Delays are up to one hour say Highways England.

A spokesman said: "If travelling through Hertfordshire this morning on M1 southbound be aware there are LONG DELAYS due to this collision between J9 - J8.

"There is approximately 6 miles of congestion back to Junction 10 at Luton which is likely to add 1 hour onto usual journey times.

"Plan ahead"






Highways England statement

There are long delays on the M1 southbound in Hertfordshire due to 2 earlier collisions between J9 (Flamstead) and J8 (Hemel Hempstead, St. Albans). The road has now fully re-opened following the recovery of all the vehicles and the spillage has been treated.

Eventhough the road has been re-opened there is still significant disruption in the region. There is approx. 7 miles of congestion back to J11A (A5) which is expected to add around 90 minutes onto normal travel times.

M1 reopens

Watford Gap clear

The incident near Watford Gap has been cleared. Hertfordshire is ongoing.

Watford Gap delays too

Diversion information and Highways statement

The M1 in Hertfordshire is closed southbound between J10 (Luton) and J8 (Hemel Hempstead, St. Albans) due to 2 separate collisions.

The initial collision involves a car and lorry with the secondary collision involving 3 lorries, specialist recovery is required for the lorries and in addition there is a spillage across the carriageway.

Motorists travelling to Greater London are advised to consider using an alternative routes such as the M40 or A1(M).