Battle for Highway 82
Since no earlier than 1934, and with modern expansions through georgia and New Mexico their stretch accounts for no more than 5% of the route's length. It really is a shitty name, a wannabe War for I-4. Apparently it also goes by The 90 Mile Drive, which is way cooler.
Sources:
https://www.fhwa.dot.gov/highwayhistory/us82.cfm
https://web.archive.org/web/20080302175612/http://www.sportingnews.com/blog/gymrome/98165