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M-140 is a north–south state trunkline highway in Berrien and Van Buren counties of the US state of Michigan. The highway starts in the Niles area at M-139 and runs north through Watervliet to South Haven, ending at Interstate 196/US Highway 31 (I-196/US 31). In between, it runs through farm fields and past lakes in the southwestern part of the Lower Peninsula. The trunkline is used, on average, by between 1,500 and 10,200 vehicles. The state designated M-140 in the early 1930s over a previous alignment of US 31 when that highway rerouted through the area. M-140 was extended from Watervliet to Niles a few years later. Changes were made to the routing of the trunkline in the 1950s and 1960s. The last change was made in 1972, resulting in the modern course for the highway. ==Route description== M-140 starts at an intersection with M-139 near the St. Joseph River north of Niles and runs due north through farm fields. The trunkline jogs to the west near Steinbauer Lake before returning to the northerly course. There is another westerly jog along Pokagon Road around Riggins Lake. M-140 turns back northward and runs through the community of Berrien Center. Near Eau Claire, the highway turns bends along Maple Grove Road for about before going north on Watervliet Road. East of town, the trunkline follows Main Street eastward toward the Berrien–Cass county line. M-140 intersects the northern terminus of M-62 and curves north. In northern Berrien County, M-140 follows Watervliet Road to an interchange with Interstate 94 (I-94). The highway continues northward along Main Street into Watervliet, running through the middle of town and intersecting Red Arrow Highway, the former US 12. North of downtown, the trunkline curves through residential neighborhoods to the northeast around the east end of Paw Paw Lake. M-140 crosses into western Van Buren County about north of Watervliet. The highway crosses, and parallels, the Van Buren Trail in Covert. In South Haven Township, M-140 connects the South Haven Area Regional Airport with the I-196/US 31 freeway; north of this interchange, the highway continues as Business Loop I-196.〔〔 M-140 is maintained by the Michigan Department of Transportation (MDOT) like other state highways in Michigan. MDOT's surveys in 2010 showed that the highest traffic levels along M-140 were the 10,176 vehicles daily near in Watervliet; the lowest count was 1,536 vehicles per day along Pokagon Road, on average. All of M-140 is a two-lane, undivided highway, except sections in cities like Watervliet which may have up to four lanes.〔〔 No section of the trunkline has not been listed on the National Highway System, a network of roads important to the country's economy, defense, and mobility. 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-140 (Michigan highway)」の詳細全文を読む スポンサード リンク
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