When the Michigan State Highway Department completed a US 127 bypass around Mason in late 1946 or early 1947, M-36 was extended westward over a section of highway previously used by US 127 to connect to the bypass; that segment was designated Bus.
The Michigan State Highway Department completed a US 127 bypass around Mason in late 1946 or early 1947, which led to M-36 being extended westward over a section of highway previously used by US 127 to connect to the bypass.