Original: It travels from State Road 826 (Palmetto Expressway) and State Road 924 (Gratigny Parkway) in Hialeah, Florida (northwest of Miami) to Sault Ste.
Simplified: It travels from State Road 826 (Palmetto Expressway) and State Road 924 (Gratigny Parkway) in Hialeah, Florida (just west of Miami) to Sault St. Marie, Michigan at the Ontario, Canada border.