An 18-year-old man was taken to hospital with a non-life-threatening gunshot wound Saturday night, according to police.
The Ontario Provincial Police's Ottawa detachment were called to the eastbound lane of Highway 417, near the Anderson Road exit, shortly after 11:30 p.m.
Police believe there's no risk to public safety.
Part of the highway, which had been closed for several hours, has since reopened.
An investigation is underway. Anyone with information about the shooting is asked to contact the police or Crime Stoppers.