The second phase of Dublin's BusConnects project will begin on November 28th, the National Transport Authority has confirmed.
The C-Spine will see buses running from Sandymount and Ringsend to Lucan and south Kildare, through the city centre.
It comes as the sod was turned on a new €20 million interchange at Liffey Valley Shopping Centre, that will act as a hub for those using the C-Spine routes.
The BusConnects reform got underway in earnest this summer, with the overhaul of services covering the Howth and Malahide areas.
The project has been in the works for years and is expected to take several more to complete.
Anne Graham from the NTA says three more phases will start next year.
She explained: "We have the H-Spine operating now, very successfully, along the Howth Road corridor.
"The C-Spine is next, which will serve the Lucan Road corridor... that will start on November 28th.
"We've received the news from the Budget that next year we're going to be able to do another three stages of the BusConnects network."
Mayor of South Dublin County Council, Peter Kavanagh, says the changes are "massively needed" in the area.
He said it's a major hub for employment, retail and leisure, but there are very few "meaningful" public transport connections in place.
He said the BusConnects overhaul means the area will be connected with more parts of the city.
BusConnects will involve the creation of around 230 kilometres of priority lanes.
It will see the network switch to a 'spine' based, branching system.
There'll be a total of eight spines, with various orbital, local and city-bound routes to cover areas and routes outside the spines.
Work on the new Liffey Valley interchange is expected to be completed by the end of next year.