There are also warnings that passengers at airports and train stations will have to wait for hours in long queues. Many reported hours of waiting at Manchester and Birmingham airports on Thursday, while dozens of British Airways and easyJet flights were canceled at Heathrow. Dyfed Powys police have also stated that police officers will have an increased presence in view of the holiday movement. The force said: “We are expecting a lot of people on the streets this weekend, who will travel to #enjoyDPP for the holidays. To keep everyone safe, there will be an increased police presence on the streets.” Train passengers have also been warned of further delays, as Network Rail runs 30 530 engineering projects totaling 83 83 million over the weekend. These include the closure of the West Coast main line between London Euston and Milton Keynes for four days from Good Friday due to existing line upgrades and HS2 work. Here are all the important traffic updates for commuters in Wales: