This is the inset map for Hannibal from the 1957 official state highway map. The numbered routes shown on this map were US 36, US 61, City Route 61, and US 24 (in red); and Missouri 168 (in dark blue).
This is the inset map for Hannibal from the 1957 official state highway map. The numbered routes shown on this map were US 36, US 61, City Route 61, and US 24 (in red); and Missouri 168 (in dark blue).