Home City Centre Railways B12 at Peterborough North (1956) City CentreRailways B12 at Peterborough North (1956) March 31, 2017 Grantham based B12 #61574 waiting with a Kings Cross departure from Peterborough North in June 1956. Just over six months after this photo was taken, the engine had been withdrawn and cut up at Stratford Works in London.