 M @-@ 227 is a 6 @.@ 834 @-@ mile ( 10 @.@ 998 km ) north – south state trunkline highway in the U.S. state of Michigan . It consists largely of a segment of old U.S. Highway 27 ( US 27 ) along the south and west sides of Marshall . The highway passes the airport and serves an industrial section of town north of the Kalamazoo River . M @-@ 227 was created as a part of a program to add additional routes into the state 's highway system under the leadership of Governor John Engler . 
