Rothesay Avenue is closed to all traffic at the railway overpass near Rothesay Road.
Crews will be reconfiguring the intersection and installing traffic lights.
The Department of Transportation and Infrastructure says the closure is expected to last until Sept. 8.
Detour signage will be in place for motorists.
DTI wishes to advise the travelling public that construction activities on Route 100/Rothesay Road will require a full closure from Saturday, Aug. 17 until Sunday, Sept. 8.
This closure is necessary to safely reconfigure the intersection and detour signage will be in place. pic.twitter.com/lgbaBV3tgx— Government of NB (@Gov_NB) August 12, 2019