Iarnród Éireann has reintroduced the option for passengers on Dublin-Cork services to book a quieter carriage.

The option had previously been phased out back in 2018 and returns following public feedback.

Iarnród Éireann has said the option will improve services for those who may have sensory issues, and will provide more choice for passengers.

The quiet carriage - carriage G - can be booked online, and will be clearly marked with purple branding online, as well as from the outside of the carriage.

The company has said the option will be popular with those who wish to enjoy their journey without excessive use of mobile devices, or who may need to do work which requires quietness.

"Having trialled quieter carriages in the past, the addition on its reintroduction of clear branding during online booking, and on the train itself, means the choice for customers will be clear, and where quieter carriages are on operation will be well signalled for all," a spokesperson said.

The option will not cost any extra money, the company has said, adding that it will operate on trains which have the capability of a First Class service.

It will operate running from Dublin to Cork Monday to Saturday at 7am, 9am, and 11am; Monday to Sunday at 1pm, 3pm, 5pm, and 7pm; and at 10am, 12pm, and 4pm on Sundays only.

From Cork to Dublin, it will run Monday to Saturday at 7am, 9.25am, 14.25pm, and 20.25pm; Monday to Sunday at 10.25am, 12.25pm, 16.25pm, and 18.25pm; and 8.25am, 13.25pm, 15.25pm, and 19.25pm on Sundays only.

Speaking on RTÉ's Morning Ireland, spokesperson Jane Cregan said there is more capacity on the Dublin-Cork route, which allows for the option.

"We'll see how this goes and if there's feedback and a desire for this on other routes, we will look at it, but obviously we may have capacity challenges on other routes, because the Dublin to Cork service is hourly and so we have much more capacity on this," she said.

Train hosts will be on board the trains to ensure the designated carriage is quieter but, Ms Cregan said, there will be "a level of self-regulation and self-policing of it".

The carriage is not completely silent, but it means people who do not want to be surrounded by passengers using mobile phones can use the carriage.

"It can be a challenge for people if there's a lot of noise and a lot going on, and also we have sensory packs that we've introduced recently for people who may suffer with sensory issues and there's headphones, there's sunglasses and the fidget spinner in those packs.

"They also are free for people to use while they're on their journey."