PHOTO PETERBOROUGH RAILWAY STATION PETERBOROUGH RAILWAY STATION SERVES THE CITY OF PETERBOROUGH WITHIN CAMBRIDGESHIRE ENGLAND. THE GREAT NORTHERN RAILWAY (GNR) ARRIVED IN PETERBOROUGH WITH THE OPENING OF THE MAJOR PORTION OF ITS "LOOP LINE" BETWEEN PETERBOROUGH SPALDING BOSTON AND LINCOLN WHICH OPENED ON 17 OCTOBER 1848.