Dublin Area Rapid Transit
Dublin Area Rapid Transit (DART) is an electrified commuter rail railway network serving the coastline and city of Dublin, Ireland. The service makes up the core of Dublin's suburban railway network, stretching from Greystones, County Wicklow, in the south to Howth and Malahide in north County Dublin.
Source: Wikipedia — Dublin Area Rapid Transit (CC BY-SA 4.0)