Direct trains between Newark and London will not run over part of the bank holiday weekend — as digital signalling tests are carried out. No long-distance trains will operate between St Neots and London King’s Cross on the East Coast Main Line from 8pm on Saturday, August 24, to 8am on Monday, August 26. On Sunday, August 25, the first long-distance train will test the newly installed signalling system — part of the £1.4 billion-pound East Coast Digital Programme (ECDP) — between Welwyn Garden City and Hitchin at high speed in preparation for trains to run on the route using digital signalling…