Some Southeastern services will not stop at Lewisham for the rest of the day due to a signal problem.
The train company has blamed the problems on signalling faults between Lewisham and Hither Green.
Train services running through these stations may be delayed by up to 10 minutes or revised at short notice.
Cannon Street or Charing Cross services to Orpington or Sevenoaks are unable to call at Lewisham.
Passengers that require Lewisham are advised to travel to Hither Green and change on to a London bound service calling at Lewisham.
Passengers at Lewisham who require stations to Orpington and Sevenoaks are advised to travel to Hither Green and change trains there.