Euston (Northern- City Branch)
L53 + L21 work Train 542 through the closed Euston City platforms, as seen from the line diagram, on Train 542 Ruislip Depot - Highgate Depot as part of Ballasted Track Renewals. The Northern line night tube was closed to allow the passage of these trains, due to their temperamental TBTC.
Featured in The Railway Magazine - April 2020
