66577 passes Long Buckby with 4L90 1338 Hams Hall-Felixstowe on 20/07/2006.
66554 passes Denchworth whilst working 4V60 1055 Calvert-Bristol Barrow Road RTS on 24/07/2006.
66517 approaches Whitacre Junction on 25/07/2006 with 4L93 1008 Lawley Street FLT-Felixstowe North FLT.
