from the january 2015 timetable change, from monday to friday, southeastern operate two direct services from sheerness-on-sea to london victoria in the morning peak, and two return services from london victoria to sheerness on sea in the evening peak, formed of 4,or 6 car trains. these services do not stop at swale or sittingbourne, but use the third side of a triangle junction (western junction) that links the sheerness line to the chatham mainline. these are normally operated by british rail class 465 and 466 "networker" trains in multiple. class 466 units on their own are not compatible with the rail vehicle accessibility (non-interoperable rail system) regulations 2010 (rvar 2010) as of the 1st january 2020, so are used in combination with class 465 units.