Queues at Dover have been massive in recent months, but they could get much worse once a new border control system comes into force next year.
Over the summer Dover and St Pancras International played host to enormous queues of people hoping to leave the country.
From May next year new requirements to scan fingerprints and check faces when travelling from a non-EU country, such as Britain, to a member state could make these waits even worse, a report has warned.