A member of a road-working crew has been struck by a vehicle in Stouffville early Tuesday morning. York police were called to the area near Stouffville Road between Warden Avenue and Kennedy Road around 3:15 a.m. The crew member was taken to hospital in serious condition. Paramedics say they also assessed a second person on the scene but they were not transported. It’s unclear if the second person was also a crew member.Road closures are in effect and drivers are asked to avoid the area.