A woman was rushed to hospital in critical condition after a single-vehicle crash in the eastbound lanes of Highway 401 Friday.
Provincial police were called to the collector lanes near Weston Road just before 5 p.m.
It’s unknown if the female driver was injured in the crash or suffered a medical episode.
All the collector lanes were blocked on the eastbound 401 for several hours but have since been reopened.
Other vehicles were stuck in the area, but no one else was injured.