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
Great Lakes Megalopolis French geographer Jean Gottmann. Gottmann envisaged the development of other megalopolies in the U.S.: from Boston to Washington, D.C., from Chicago to Pittsburgh, and from San Francisco to San Diego. In 1965, futurist Herman Kahn speculated about the future of the three megalopoleis in the year 2000. In the 1960s and 1970s, urban planner and architect Constantinos Doxiadis authored books, studies, and reports regarding the growth potential of the "Great Lakes Megalopolis". Doxiadis envisioned Detroit (on the US-Canada border across from Windsor) as the central urban area in the Great Lakes Megalopolis. According to him, the megalopolis extended "from Milwaukee