Gardaí are appealing to anyone who was in the area at the time, especially those with dashcam footage, to come forward.

It's understood it is a multi-vehicle incident.

She was the front seat passenger in a car which hit a wall and then entered the water in Menlo in Co. Galway at around 7 am on Friday the 15th of March.

Another girl in her mid teens and a man and woman both aged in their 20's- all travelling in the same car- were injured.

The woman is the 8th person to die on Ireland's roads already this year.

Roscommon had the highest number of road deaths in the region.

184 people were killed on Irish roads in 2023.

Traffic is being diverted on the N4