Irish Rail later said the signal fault was rectified but that “delays of up to 30 minutes through Kildare as a result, but these delays will ease.”
There are delays through Kildare Train Station at present this morning due to a signal fault.
Staff on site are working to rectify the issue, according to Irish Rail.
As a result, the 05.20hrs Athlone to Dublin Heuston is delayed by around 40 minutes.
Earlier, The 05.58 Maynooth to Dublin was delayed 30 minutes due to a signal fault.