Diversions and a 25 kilometre temporary speed limit are in place at a section of the M7 in Kildare.
A new bridge is being installed at the Osberstown Interchange between Naas North and Naas South as part of the M7 Upgrade.
Motorists are being diverted on to new slip roads.
It's the second weekend of closures, and the road will re-open by 9am tomorrow.
