NSW Health has issued a Public health alert for several Moss Vale train trips.
A commuter infected with COVID19 is believed to have travelled on the line a number of times this week.
A full list of dates and times are listed below:
Train from Moss Vale 04:52 arriving Liverpool 07:09 on 6th October
Train from Liverpool 16:58 arriving Moss Vale 19:12 on 6th October
Train from Moss Vale 04:51 arriving Liverpool 07:08 on 7th October
Train from Campbelltown 13:31 arriving Moss Vale 15:50 on 7th October
Anyone who develops symptoms is being urged to get tested and self isolate until they return a negative test result.