. "16490.9"^^ . "East" . . . "West" . . "M" . . "222" . "M-222 is the current designation of a state trunkline highway in Allegan County of the US state of Michigan. It runs between the city of Allegan, where it connects with M-40/M-89, and the US Highway 131 (US 131) freeway near Martin. The highway runs along a series of streets in Allegan and through rural farm fields and woods between the two communities along 116th Avenue. The roadway was a state highway back in 1919 when the system was initially signed."@en .