A New Service Centre in Port Severn to Open This Month Posted by Ginny Henry | May 02, 2013 | BruceGreySimcoe, development, Georgian Bay Township, Hwy 400, Port Severn, RTO7, service centre, Simcoe, tourism The service centre, at Exit 156 on Highway 400, will feature a gas bar, convenience store and five fast-food restaurants. READ MORE