A road crew worker was seriously injured after they were struck by a vehicle in Stouffville early Tuesday morning. York Regional Police said a member of the crew was working on Stouffville Road, between Warden Avenue and Kennedy Road, shortly after 3 a.m. when they were hit. Paramedics told CP24 that two people were assessed at the scene and that one was transported to a trauma centre in serious condition. No other details have been released. Road closures are in effect and police are advising drivers to avoid the area.