Cycle paths, pedestrian walkways and road upgrades are listed in Dublin, Kildare, Meath and Wicklow
Over €23 million is to be spent on sustainable transport projects in the greater Dublin area.
The schemes include improvements to bus, cycle and pedestrian routes - including an expansion of the Dublin Bikes.
It is hoped the new infrastructure will encourage greater use of sustainable and public transport, reduce congestion and facilitate economic activity.
The 121 projects include allocations to counties Kildare, Meath and Wicklow.
And provision is being made at a number of Third Level campuses for students to take the bus or cycle to college.
Key projects in Dublin include:
Outside Dublin city, funding will be used to identify and progress designs for improved bus, cycle and pedestrian networks in the growing suburbs of Swords, Blanchardstown, Tallaght, Bray and other urban centres in Kildare, Meath and Wicklow.