As the Deputy may be aware the National Transport Authority (NTA) has statutory responsibility for the development and implementation of public transport and sustainable transport infrastructure including the provision of cycling and walking infrastructure in the Greater Dublin Area (GDA) and, on a non statutory basis, has responsibility for the development and implementation of public transport and sustainable transport infrastructure including the provision of cycling and walking infrastructure in the regional cities of Cork, Limerick, Galway and Waterford. A full list of all the functions of the NTA is available on its website.