is a short highway with its northern terminus at
Missouri State Highway 152 north of
Gladstone
and a southern terminus at
Missouri State Highway 210 in
North Kansas City .
The highway was one of the original
1922 highways in Missouri and it originally ran from the
Iowa state line north of
Rock Port to the
Arkansas state line south of
Noel . In
1926 , with the creation of the
U.S. Highway System , MO 1 became part of
U.S. Highway 71 and
U.S. Highway 59 . The original MO 1 is now:
Missouri 1 originally had several "branches" (all decommissioned):