An express unit introduced by British Rail in the early 1980’s, the primary role of this unit were services to Bedford from London St. Pancras, resulting in them being affectionately dubbed the BedPan units.
Arriving empty stock from Cambridge C.S.D. is Abellio Greater Anglia Class 317, 317501, which would form the 2H23 stopping service to London Liverpool Street.
Seen departing Whittlesford Parkway with the 2H23 to London Liverpool Street is Abellio Greater Anglia Class 317, 317650.
After arrival with the 2H30 from London Liverpool Street, Abellio Greater Anglia Class 317, 317651, takes a break before forming the return working.