Great Lakes Megalopolis the Chicago-Rochester corridor, starting at the Detroit River but continuing east beyond Lake Ontario along the St. Lawrence Seaway to Quebec City and the Gulf of St. Lawrence. Several corridors have interstate highways but no comprehensive passenger rail service. These highway routes pass through both core and fringe areas of the Great Lakes megalopolis. The upper Great lakes region has a marine corridor that connects Lakes Superior, Huron, and Michigan. However, this route does not include parallel Amtrak passenger rail or interstate highway service. I-70 follows the southern fringe of the megaregion. It runs from Kansas City MO to just
The Great Lakes Group Old River Channel on the Cuyahoga River in Cleveland, Ohio. In 2007, the Shipyard began new construction of tugboats. On July 29, 2011, the Shipyard debuted its new Mobile Vessel Hoist, named "America" after one of the company's original tugboats. The 770-ton hoist, manufactured by Marine Travelift, is the largest of its kind on the Great Lakes, second-largest in the Western Hemisphere and third-largest in the world. Great Lakes Shipyard recently teamed up with Rolls-Royce Commercial Marine Inc. to create a marine service center. Rolls-Royce's repair and overhaul services in the Great Lakes Region will be performed by Rolls-Royce in