 M @-@ 47 is a north – south state trunkline highway in the US state of Michigan . It runs near Saginaw and Midland in the Tri @-@ Cities area of the Lower Peninsula . The highway runs through suburban and agricultural areas to connect the two cities with the airport in the area . The <unk> section of M @-@ 47 runs along a freeway to the terminus at US Highway 10 ( US 10 ) . M @-@ 47 runs for 14 @.@ <unk> miles ( 23 @.@ <unk> km ) , all of which has been listed as a part of the National Highway System . 
