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M-102 is a state trunkline highway in the US state of Michigan that runs along the northern boundary of Detroit following 8 Mile Road. The highway follows the Michigan Baseline, a part of the land survey of the state, and the roadway is also called Base Line Road in places. As a county road or city street, 8 Mile Road extends both east and west of the M-102 designation, which leaves 8 Mile on the eastern end to follow Vernier Road. The western terminus of M-102 is at the junction of 8 Mile Road and M-5 (Grand River Avenue) and the opposite end is at Vernier Road and Interstate 94 (I-94). The 8 Mile Road name extends west to Pontiac Trail near South Lyon with a discontinuous segment located west of US Highway 23 (US 23). The eastern end of 8 Mile Road is in Grosse Pointe Woods near I-94. The highway was first designated in the late 1920s, connecting US Highway 10 (US 10, Woodward Avenue, now M-1) with US 25 (Gratiot Avenue, now M-3). Extensions to the highway designation moved the termini in the 1930s and 1940s east to M-29 (Jefferson Avenue) and US 16 (Grand River Avenue, now M-5). A change in the 1960s added a section of north–south roadway to the eastern end of M-102; that change was reversed within about a year. A western extension along Grand River Avenue in 1977 was reversed in 1994, and M-102 has remained the same since. 8 Mile Road has carried major cultural significance; since the mid-20th century, as the city demographics have changed, it has served as a physical and cultural dividing line between the wealthier, predominantly white northern suburbs of Detroit and the poorer, predominantly black city. The racial patterns have changed, as more middle-class African Americans have also moved north of 8 Mile, but the socioeconomic divide between the city and suburbs remains. ==Route description== Starting at an intersection with Hamburg Road along the Livingston–Washtenaw county line, 8 Mile Road runs eastward to an interchange with US 23 near Whitmore Lake. There is a gap before 8 Mile Road resumes at Pontiac Trail along the Oakland–Washtenaw county line. Near the suburb of Northville, the road curves northward into Oakland County, and Base Line Road follows the county line for about . The road meets I-96/I-275 at that freeway's exit 167 along the border between Livonia and Farmington Hills. As its name implies, 8 Mile Road runs east–west north of the origin of the Mile Road System at Michigan and Woodward avenues. M-102 starts at the intersection between M-5 (Grand River Avenue) and 8 Mile Road and runs eastward along 8 Mile Road. The highway widens out into a boulevard setup with each direction divided by a central median. Motorists that want to make a left turn along 8 Mile Road have to perform a Michigan left to do so. Starting at the Inkster Road intersection, M-102 forms the boundary between Redford to the south and Southfield to the north. East of Five Points Road, the 8 Mile follows the northern city limits of Detroit. On either side of 8 Mile Road, the area is filled with residential neighborhoods of the two cities with commercial businesses immediately adjacent to the highway. About east of its starting point, M-102 intersects US 24 (Telegraph Road) at a cloverleaf interchange near Frisbee-Pembroke Park and Plum Hollow Country Club.〔〔 Along the length of the eight-lane highway, there are large power line towers in the median.〔〕 Continuing east, M-102 intersects M-39 (Southfield Freeway) and M-10 (Lodge Freeway) south of the Southfield campus of Oakland Community College and the Northland Center Mall. As the highway approaches M-1 (Woodward Avenue), there are a pair of service drives that split from the main roadway in each direction to provide access through the interchange with M-1. The main lanes of M-102 pass under M-1 and its ramp connections before the service drives merge back in on the other side. This interchange is located adjacent to the Michigan State Fairgrounds, former site of the now-defunct Michigan State Fair, and Woodlawn Cemetery.〔〔 East of the fairgrounds, the highway crosses a line of the Canadian National Railway that also carries Amtrak passenger traffic; the line is south of a rail terminal in Ferndale. Further east, M-102 meets I-75 before intersecting Dequindre Road. Dequindre is the boundary between Oakland and Macomb counties.〔〔 Now following the Wayne–Macomb county line, M-102 separates Warren from Detroit. The highway also runs parallel to, and about a half mile (0.8 km) north of Outer Drive,〔〔 the original beltway highway proposed in 1918 to encircle Detroit. The road passes the Mound Road Engine facility, a former Chrysler plant next to the Mound Road intersection. East of the plant,〔〔 the highway crosses a branch line of the Conrail Shared Assets Operations on the east side of the plant complex〔 before intersecting M-53 (Van Dyke Road).〔〔 Further east, 8 Mile Road passes north of the Bel Air Center Shopping Center before crossing another Canadian National Railway line〔 next to the intersection with M-97 (Groesbeck Highway).〔〔 On the far east side of Detroit, M-102 separates the city from the suburb of Eastpointe once near the intersection with M-3 (Gratiot Avenue). Near Kelly Road and the Eastland Center, the highway turns southeasterly along Vernier Road to enter Harper Woods in Wayne County; 8 Mile Road continues due eastward along the county line in this suburb as a four-lane undivided urban arterial street. The eastern terminus of M-102 is at the interchange between Vernier Road and I-94 about south of 8 Mile Road near the boundary with Grosse Pointe Woods. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「M-102 (Michigan highway)」の詳細全文を読む スポンサード リンク
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