Minister for Transport Leo Varadkar has said €43m will be spent this year on making it easier and safer to walk and cycle around the greater Dublin area.
There will be an extension to the Dublin Bikes scheme, from Heuston Station to the O2 and the Docklands.
Other projects will include the resurfacing of some bus lanes, new cycle lanes and new walkways along the Royal Canal, and more work on the Sutton to Sandycove link.
Outside of Dublin, there will be a new public transport hub for Naas, traffic calming for Celbridge, improvements to bus stops in Meath, and work on a cycle lane from Drogheda to Slane.
The Government funding will come from the public transport and the Smarter Transport budget.
In the past, advertising was used to fund the Dublin Bikes scheme, but Mr Varadkar said this was not an option this time.