In an interview on RTE Nationwide, Michael Philips, Dublin City Engineer, explains the importance of the S2S Project to the  cycling strategy for the whole city, which will have huge environmental benefits for the city and the Dublin region.  He believes that the project will be completed in 5 years. The interview occurs 6.40 minutes into the programme:   http://www.rte.ie/player/ie/show/10410671/