It is now widely recognised that a metro system is essential for the smooth running of our capital city. It alone offers the high-speed, high-capacity solution which works well in other major cities and which would work well in Dublin. It alone offers a real long-term solution to the transport problems of our capital city. People like Senator Norris saw the logic a decade ago. Everyone sees it now. If we accept that a metro system is needed, we must start putting in place as quickly as possible a system to develop it. Several questions have to be answered. These relate to the affordability of the project, its management and scale and design.