Specifications - DART Underground/Interconnector Tunnel, Dublin, Republic of Ireland

Key Data
Population	505,000/1,186,000 (2006)
Operator	Irish Rail (Iarnród Éireann)
Infrastructure	Railway Procurement Agency (An Ghníomhaireacht um Fháil Iarnród)
Tunnel length	5.2km (3.2 mile)
DART opened	1984
Gauge	1,600mm
Power Supply	1,500V dc overhead
Present Lines	Howth/Malahide-Greystones
Operation	06.00-23.59
Future DART routes	DART 1 - Dublin-Maynooth
	DART 1 - Dublin-Dunboyne/M4 J3 P&R
	DART 2 - Dublin-Balbriggan
	DART 2 - Dublin-Hazelhatch
Rolling Stock - Builders	8100 Class - GEC / Linke-Hofmann-Busch
	8200 Class - GEC / Alsthom
	8500/10/20 Classes - Tokyu Car Corp.
Project dates (est.)	Construction - 2010; Operation - 2015
Special Features
	Part of Government's expansive public transport project
	Greatly extends the scale and role of the DART format
	High level of mode interchange
	Services the needs of one of Ireland's most important development areas
	DART and Commuter services will be re-structured