Neither option is easy nor cheap. However, we are going to have to face up to one or the other if we are serious about solving Dublin's traffic problems. We cannot say that we want European quality public transport, if we are not prepared to invest in European quality urban roads. Providing a proper motorway system for Dublin is going to be expensive no matter which option we take and will probably cost in the order of €1 billion. That amount is much money in anybody's book and not easy to come by.