Red and Green Lines
The Luas network consists of two lines, the Red Line and the Green Line.
Red Line
The Red Line extends from Tallaght, in the southwest of Dublin, through the city centre, to "The Point" in Dublin’s Docklands in the east of Dublin. The line has two spurs, a spur branching off the line near at Belgard stop extending to Saggart and a 200m spur branching off at Busáras stop to serve Connolly railway station.
The Red Line consists of twin tracks and is 21km long. The line has 32 stops. It also has 3 Park & Ride facilities located at these stops: Cheeverstown, Red Cow and Tallaght. The Red Line depot and centre of operations is located at Red Cow stop.
Parts of the Red Line are Tram Lane fully segregated from other types of traffic. Most of the remainder is Tram Lane segregated but adjacent to and parallel to the road separated by a low kerb or road markings. Junctions and some sections of the line known as Shared Tramways are shared with other road vehicle and bike traffic and pedestrians.
Green Line
The Green Line extends from Brides Glen, in the southeast of Dublin, through the city centre, to Broombridge in the northeast of Dublin. This line has a single track loop in the city centre.
The Green Line consists of twin tracks for most of the line with a single-track loop in the city centre. The Green Line is 22km long. The line has 35 operating stops with 2 future stops which may be brought into use when there is development in those areas. It also has 4 Park & Ride facilities located at these stops: Carrickmines, Sandyford, Stillorgan and Balally. The Green Line has 2 depots located at Sandyford and Broombridge.
Parts of the Green Line are Tram Lane fully segregated from other types of traffic. Most of the remainder is Tram Lane segregated but adjacent to and parallel to the road separated by a low kerb or road markings. Junctions and some sections of the line known as Shared Tramways are shared with other road vehicle and bike traffic and pedestrians.
Delivery Timeline - 20 Years of Luas
Luas has proven to be a flagship infrastructure project in Ireland, consistently delivered both on time and on budget. It’s original construction and subsequent line extension projects have been delivered within one political term.

1999 - Planning for Luas
Green and Red Lines granted planning approval.

2001 - Main Construction
Construction work on both lines commences to become the largest urban infrastructure project in Ireland.

2004 - Green Line Opens
Route between St. Stephen’s Green and Sandyford opens in June.

2004 - Red Line Opens
Route between Connolly and Tallaght opens in September.

2009-2011 - Luas Expands
Despite the recession, Luas saw rapid expansion and was in place when the economy recovered.
Red Line arrives in Docklands (2009)
Green Line extended to Brides Glen (2010)
Red line extension from Belgard to Saggart opens to passengers (2011)

2012 - Luas Cross City Extension
Luas Cross City extension from St. Stephen’s Green to Broombridge receives planning approval. Construction begins the following year and line opens within just 5 years.

2017 - Creating a Network
Luas Cross City opens, connecting Red Line and Green Line for first time.

Planning for Growth
Increased capacity enhancements delivered on the green line, in recent years, provided longer and more frequent trams.