This is an important factor as we again consider whether there is to be a metro service in Dublin. The fact is that a metro would not have cost a great deal more than Luas has cost already. The on-surface disruption would be a great deal less because the project would be carried out underground. My party's spokesperson, Deputy Shortall, has not completed her consideration of the whole metro project. It is right that we should take our time to do it and look at the cost benefit analysis. My view is that the project is worth doing. It may take 20 or even 30 years to complete, but it must be done.