No, of course the freight tunnels are not counted in the mileage of Chicago streets.
The 4456-mile figure would overstate, probably by about two percent or so, what's actually drivable and thought of as a "street." There are lots of little 50- to 100-foot stubs around the city that people treat as private driveways, as well as sections that have been vacated for parks, schoolyards, a
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