The engineering works will affect late-night and early-morning trains, with some services being replaced by accessible buses. Trains between London Victoria and Orpington via Beckenham Junction will be diverted and run between London Victoria and Shortlands. Passengers are advised to check their journeys using the National Rail Enquiries Journey Planner or the Transport for London Journey Planner. Passengers are advised to check their journeys using the National Rail Enquiries Journey Planner or the Transport for London Journey Planner. Replacement bus services will be available, but passengers are warned they may be busier than usual, and extra time should be allowed for journeys.