M-10 is a state trunkline highway in the Metro Detroit area of Michigan in the United States. Nominally labeled north-south, the route follows a northwest-southeast alignment. The southernmost portion follows Jefferson Avenue in downtown Detroit, and the southern terminus is at the intersection of Jefferson and M-3 (Randolph Street) next to the entrance to the Detroit–Windsor Tunnel. The northern terminus is in West Bloomfield Township at the intersection with Orchard Lake Road. The highway has several names as it runs through residential and commercial areas of the west side of Detroit and into the suburb of Southfield. It is called the John C. Lodge Freeway (The Lodge), James Couzens Highway, and Northwestern Highway. One segment has also been named the Aretha Franklin Memorial Highway. M-10 was built in segments through the late 1950s and early 1960s. It carried several different names before the entire route was finally officially named the John C. Lodge Freeway in 1987. The freeway has carried a few other highway designations. The southern segment was part of US Highway 12 (US 12) and the whole road was later renumbered Business Spur Interstate 696 (BS I-696). From 1970 until 1986, it was part of US 10, and the freeway has been M-10 since. The non-freeway segment that runs between I-696 in Southfield and Orchard Lake Road was previously numbered M-4. M-10 was named after John C. Lodge, an influential Detroiter and Mayor of Detroit from 1927–28. Route description Running about in the Metro Detroit area, M-10 runs roughly northwest–southeast from Downtown Detroit into the northern suburbs in Oakland County. The entire length of the highway is listed as a part of the National Highway System, a system of roads importance to the nation's economy, defense and mobility. As a state trunkline highway, the roadway is maintained by the Michigan Department of Transportation (MDOT), and it includes approximately of freeway. M-10 has six lanes from Detroit to Inkster Road in Farmington Hills, where it drops to four; a few segments have eight lanes for short distances between interchanges. According to the department, 28,964 vehicles use M-10 on average near on Jefferson Avenue in Detroit, and 139,800 vehicles do so between US 24 (Telegraph Road) and Lahser Road in Southfield, the lowest and highest traffic counts along the highway in 2013, respectively. Detroit M-10 starts at the corner of Jefferson Avenue and Randolph Street in Downtown Detroit, an intersection