RAC issues severe traffic alert for stretch of M25 and congestion also expected on parts of M23 and M40
Drivers are being warned to prepare for long queues as millions of people embark on journeys to spend Christmas with friends and family.
A severe traffic warning has been issued. The RAC, which expects 7.9m leisure journeys to be made across the UK on Friday and Christmas Eve combined, published the alert for a stretch of the M25.
