Drivers are being warned to prepare for long queues as millions of people embark on journeys to spend Christmas with friends and family.The AA said Friday will be the busiest day on the roads this week, with an estimated 16.9 million journeys being made across the UK.A further 16.6 million journeys are expected to be made on Christmas Eve.

Drivers are being warned to prepare for long queues as millions of people embark on journeys to spend Christmas with friends and family.The AA said Friday will be the busiest day on the roads this week, with an estimated 16.9 million journeys being made across the UK.A further 16.6 million journeys are expected to be made on Christmas Eve.