lines north of Edinburgh. In April 2015, GB Railfreight commenced a contract to haul the Caledonian Sleeper with 67004 repainted and renamed for use on the service. When GB Railfreight started to provide the trains and crews for the Serco franchise in 2015, it was planned to use rebuilt . The first of these came into service in February 2016. But the Class 67s continued to be used on some services for another couple of years. Class 67s are also used as Thunderbird rescue locomotives, for failed trains on the East Coast Main Line, on some freight trains, and for use on chartered tourist trains. Two locomotives were assigned to, and received special liveries for use with the Royal Train from 2003, and a third had a commemorative jubilee livery applied for use with the Royal Train during the Diamond Jubilee of Elizabeth II in 2012. Five locomotives were also dedicated to Wrexham & Shropshire's services until it ceased operating in January 2011. Chiltern Railways began using ex-Wrexham & Shropshire Class 67 hauled passenger sets in December 2010, in September 2011 after improvements to the Chiltern Main Line infrastructure, Chiltern began running a service from London to Birmingham branded Mainline using Class 67 powered sets. Chiltern Railways leased six Class 68s from December 2014, to replace Class 67s on its Chiltern Main Line services. In March 2012, Arriva Trains Wales began the lease of three Class 67s from DB Schenker to replace its Class 57s on its Premier Service. Colas Rail In January 2017, DB Cargo UK sold 67023 and 67027 to Colas Rail, which were repainted at Toton TMD for use on Network Rail infrastructure monitoring trains. In December 2018, these two Class 67s were included in a sale of 67 France and UK based locomotives to Beacon Rail Leasing. They were subsequently leased back to Colas Rail Fleet Summary Fleet List Locomotives that do not currently carry their names are shown with the name in brackets. Liveries and namings The locomotives were initially painted in EWS's maroon and yellow livery. In 2003, 67005 and 67006 replaced the two previous Class 47 locomotives hauling the Royal Train. These were repainted in the Royal Claret colour and named Queen's Messenger and Royal Sovereign, respectively, in December 2000 and February 2005. In October 2004, 67029 was repainted silver, with full bodyside height EWS logos, to haul the EWS Company Train. On