20306 and 20315, Brock 8/8/2005 6K73 1535 Sellafield-Crewe CLS

20307 and 20310, Brock 13/5/2008 6K73 1535 Sellafield-Crewe CLS

20307 and 20314, Brock 14/8/2006 6K73 1535 Sellafield-Crewe CLS