The average train between Carlow and Merrion Square takes 1h 22m and the fastest train takes 1h 16m. The train service runs several times per day from Carlow to Merrion Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Carlow and Merrion Square. The earliest departure is at 6:30 AM in the morning, and the last departure from Carlow is at 9:44 PM which arrives into Merrion Square at 11:09 PM. All services require a transfer at Dublin Heuston and take an average of 1h 22m. The schedules shown below are for the next available departures.

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Want to know about travelling from Carlow to Merrion Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Carlow to Merrion Square. However, there are services departing from Carlow station and arriving at Merrion Square station via Dublin Heuston. The journey, including transfers, takes approximately 1h 22m.
Carlow to Merrion Square train services, operated by Iarnród Éireann (Irish Rail), depart from Carlow station.
Carlow to Merrion Square train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Heuston station.
The distance between Carlow and Merrion Square is 71.6 km. The road distance is 92 km.
Iarnród Éireann (Irish Rail) operates a train from Carlow to Dublin Heuston every 3 hours. Tickets cost €8–12 and the journey takes 1h 2m.