Major train delays have wreaked havoc on Sydney this afternoon due to emergency work done at Ashfield station.
Buses have replaced trains between Hornsby and Berowra, Blacktown and Richmond, and Penrith and Emu Plains.
Sydney trains have tweeted that the T3 line is still experiencing delays.
The T1 line account has also confirmed that there are flow-on delays, despite the infrastructure repairs being complete.
Commuters are advised to allow extra travel time and check the indicator boards at the station or the transport website for more updates.