Rail, air and sea services between Britain and France have resumed, with French citizens, British nationals living in France and hauliers among those able to travel if they have a recent negative coronavirus test. The military is being deployed to help carry out rapid tests on thousands of stranded lorry drivers. Clearing the backlog of freight will take time and the crisis has highlighted the importance of the Dover-Calais route for food supplies, as we explain. More than 50 other countries are continuing to block UK travellers, including almost all of the EU 27. That’s despite a call from the European Commission for nations to drop blanket bans.