| Key Data |
| Population: City/Urban area | 505,000/1,186,000 (2006) |
| System |
| Ownership | Railway Procurement Agency (RPA) / An Ghníomhaireacht um Fháil Iarnród |
| Operator | Veolia Transport Ireland |
| Opening date | 2004 |
| Route length | Green Line – 9km (5.6 miles); Red Line – 15km (9.3 miles) |
| Gauge | 1,435mm |
| Lines | 2 |
| Stations | Red Line – 23; Green Line – 13 |
| Passengers carried | 80,000 daily (2007); 26 million passengers (2006) |
| Interval | 5–15min |
| Operation (weekday) | 05.30–00.30 |
| Rolling Stock |
| Vehicle total | 40 (three- and five-car) |
| Builder | Alstom, La Rochelle |
| Initial types | Citadis 301 and 401 |
| Vehicle length | 29.66m and 40.81m |
| Capacity | 256/358 |
| Line speed | 70km/h (45mph) |
| Power supply | 750V dc overhead |
| Special Characteristics |
| | Major initiative to link suburbs and cut road congestion |
| | First two lines – not physically linked – opened in 2004 |
| | Original vehicles lengthened to meet demand |
| | Construction and plans in place for major system expansion |
| | Aiming for greater public transport integration under RPA |
| Featured Suppliers |
| A. Rawie - Track Safety Systems |
| Alcatel - Train Control, Rail Signalling and Communication Solutions |
| ALSTOM - Bogies and Dispen Hydraulic Dampers |
| ALSTOM - ONIX™ Invisible Traction Systems and AGATE™ Electronic Systems |
| ALSTOM - Power Supply to Substations and Catenaries |
| ALSTOM - Metropolis™ Metros and Citadis™ Light Rail Vehicles |
| ALSTOM - Signaling and Train Control Systems |
| BWG - Turnout Technology for High-Speed and Standard Railways, Urban Traffic and Heavy Haul Equipment |
| Edilon - Embedded Rail and Embedded Block Systems |
| Faber Maunsell - Total Solutions for the Rail Sector |
| Federal Mogul Systems Protection - Sleeving Solutions |
| Furrer+Frey - Overhead Contact Lines |
| Getzner Werkstoffe - Vibration and Noise Protection Products for Railway Superstructures |
| Gutehoffnungshütte Radsatz - Train Wheels, Wheel Sets and Axles for Low-Floor Vehicles |
| HEURTEAUX - 'Caoutchouc Ignifugé' - Fire Resistant Rubber Profiles and Gaskets for the Rail Industry |
| IKUSI - Public Information, Entertainment and Security Systems |
| Laser Rail - Clearance Gauging and Measurement Solutions |
| MEN Mikro Elektronik - Embedded Computer Systems for Rugged Environments |
| nora systems - Rubber Floors for Public Transport |
| OLEO International - Hydraulic Energy Absorbers |
| RAIL.ONE - Ballastless Track, Concrete Mainline and Turnout Sleepers and Sleeper Plant Construction |
| Saargummi - Vibration and Noise Reduction Systems / Foamed EPDM Elastomer |
| Tritech Rail - Multi-Disciplinary Civil Engineering Consultancy Offering Total Solutions to the Rail Industry |
| Voith Turbo - Power Transmissions, Couplers and Retarders for Rail Vehicles |