M-55 (Michigan highway)

M-55
M-55 highlighted in red
Route information
Maintained by MDOT
Length:	150.944 mi (242.921 km)
Existed:	c. July 1, 1919 – present
Major junctions
West end:	US 31 near Manistee
	M-37 near Dublin US 131 at Cadillac US 127 near Houghton Lake I-75 near Prudenville M-33 near West Branch M-65 near Whittemore
East end:	US 23 in Tawas City
Location
Counties:	Manistee, Wexford, Missaukee, Roscommon, Ogemaw, Iosco
Highway system
Michigan State Trunkline Highway System Interstate US State Byways ← M-54 M-56 →

Business M-55
Location:	Houghton Lake Heights
Length:	2.898 mi (4.664 km)
Existed:	Early 1950–Late 1961

M-37 near Dublin
US 131 at Cadillac
US 127 near Houghton Lake
I-75 near Prudenville
M-33 near West Branch