Home City Centre Railways Royal Scots Grey at Peterborough City CentreRailways Royal Scots Grey at Peterborough March 1, 2021 BR Class 55 # 55022 “Royal Scots Grey” at Peterborough station in the late 1970s/early 1980s. Formerly D9000, this was the first “Deltic” out of production in 1961 and was preserved after withdrawal in 1982.