This is a release from the City of Ottawa:
On the afternoon of Saturday, October 4, lanes on Highway 417 will be closed in stages in the vicinity of the Vanier Parkway, leading to a full closure of both the eastbound and westbound lanes to allow for the placement of the new Vanier Parkway overpass.
Lane reductions will begin at 3 p.m. on Saturday. The highway will be fully closed to through traffic between 6 p.m. and 11 a.m. on Sunday morning. Full reopening of all lanes will occur by 5 a.m. on Monday, October 6.
During the weekend, access to the following on-ramps will be restricted: