Could a fellow member advise me what procedure is adopted for being charged the correct fare when a journey is broken due to engineering work etc. For example using an Oyster card/contactless payment Gidea Park-Liverpool Street on a Sunday with rail service suspended between Romford and Ilford. Passengers are advised to change at Romford onto replacement buses or route 86 bus to Stratford and recommence rail journey from there. Assuming you'd be slapping in at Gidea Park, slapping out at Romford, slapping on a route 86 (if not using replacement buses), slapping in at Stratford and finally slapping out at Liverpool Street! How does all this slapping equate to the intended 1 single journey (Gidea Park-Liverpool Street) rather than several individual (and more expensive) journeys? This sort of interrupted journey must be a very common practice over numerous parts of the London area rail system at weekends with regular engineering work blockages.