Historical Map: Proposed Franklin Street Subway Line, Chicago, 1977
In the late 1960s, Chicago actually seriously considered knocking down the elevated parts of the “L” and replacing it all with a modern subway network. The plan originally called for multiple lines, but these got whittled down over the years for a variety of reasons – lack of funding being one of the major ones. By 1977, all that remained on the table was the Franklin Street Subway, shown in red in the handsome illustrated […]