 In 2011 the project was deferred, and later replaced with the MetroLink plan.Bus services in Dublin are operated for the most part by state owned Dublin Bus but a number of peripheral bus routes are provided by Go-Ahead Ireland a private operator who operate a number of peripheral bus routes on behalf of the NTA.There is an extensive bus network of 110 radial, cross-city and peripheral routes in the Greater Dublin Area, which constitutes the bulk of the area's public transport system.