Seven-mile queues on M1 heading south from Milton Keynes and Northampton

Drivers heading south from Milton Keynes and Northamptonshire face seven miles of queues and delays of up to 1½ hours on the M1 during Wednesday's morning rush hour (June 30).

Three lanes are closed near Dunstable following a smash involving a lorry and an overturned car.

Traffic is stalled from near junction 11 back beyond junction 12 for Flitwick with delays of up to 90 minutes above the usual travel time.

A spokesman for Highways England said at 7am: "Emergency services and traffic officers are in attendance following a collision involving multiple vehicles. We do not expect a return to normal traffic conditions until 10am."

.