Highway 417 eastbound at Parkdale Avenue reopened to traffic after being temporarily closed following collisions on Saturday evening.
No further details were provided, but police advised drivers to use caution and to drive according to the conditions.
Around 9 p.m., the OPP had tweeted about a collision on the 417 at Parkdale Avenue. That tweet said multiple vehicles had been involved and emergency services were attending. City of Ottawa traffic tweets said both shoulders and all lanes were blocked at some points, but those advisories were removed at about 9:35 p.m.