Tim gets to grips with his local station - London Bridge, meeting the architects who turned this one-time Frankenstein's monster of a station into the bright, airy and tranquil modern terminus. At the National Railway Museum, Tim gets access to Borough Market Junction Signal Box.

Tim explores railway ingenuity at Goole swing bridge in Yorkshire and takes in Edinburgh Waverley from roof to underground vaults.? At the National Railway Museum learns how railways demarked their land.