The Chatham Main Line is a railway line in England that links London Victoria and Dover Priory / Ramsgate, travelling via Medway (of which the town of Chatham is part, hence the name). Services to Cannon Street follow the route as far as St Mary Cray Junction where they diverge onto the South Eastern Main Line near Chislehurst. Thameslink services to Luton run in parallel from Rainham to Rochester, diverging once across the River Medway at Rochester Bridge Junction onto the North Kent Line via Gravesend and Dartford. A shuttle service operates on the Sheerness Line which starts at Sittingbourne. Services Most services on the Line are run by SE Trains and Southern. Govia Thameslink Railway run some Thameslink services, the first starting from and travelling via on the Catford Loop, joining at Shortlands Junction, travelling to before heading to . The second service starts from and also travels via the Catford Loop to Shortlands Junction, travelling to before heading off to . The final service starts at and goes via , , and to before terminating at Rainham in the bay platform 0. While travelling between Bromley South and London Victoria, the trains can either travel on the main line, through Beckenham Junction, Herne Hill and Brixton, or via the Catford Loop Line, coming away from the main line at Shortlands Junction, travelling through and , and then just past it either picks up the Southeastern line all the way, or can follow the Southern (Atlantic) Line through before crossing back over to the Southeastern Line to London Victoria. The hourly stopping service is now scheduled to run via , additionally stopping at . The off-peak timetable consists of two trains per hour from Victoria, calling at , , , , , Gillingham and Rainham. One service will call at , , and , then all stations to via . The other service will just call at and , then all stations to and . These trains no longer split up at . There is an hourly service from Victoria calling at via the Catford Loop, , then all stations to Gillingham. It then becomes a semi-fast service, calling at Rainham, , , , and . A High Speed Service sees two trains per hour from to via and . One service terminates at before travelling back to via and . The other service continues coastbound as a semi-fast