30 the number of minutes it is estimated it will take to travel the route.
20 the number of minutes to travel between St Stephen's Green and the airport.
18 the length in kilometres of Metro North, from St Stephen's Green to Belinstown, north of Lissenhall.
17 the number of stops.
10 the number of temporary construction compounds along the route.
5 the number of years it is expected to take to build.
4 the number of minutes between trams at peak times.
3 park-and-ride sites, one each at Belinstown (2,000 spaces), Fosterstown(300 spaces) and Dardistown (300) spaces.
2 the number of minutes between trains that the system can handle.
The Irish Times