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Interstate 40 (I-40) is an Interstate Highway in Oklahoma that runs across the state from Texas to Arkansas. West of Oklahoma City, it parallels and replaces Old US-66, and east of Oklahoma City, it parallels US-62, 266, and 64. Cities along the route include Erick, Sayre, Elk City, Clinton, Weatherford, Oklahoma City and its suburbs (El Reno, Yukon, Del City, Midwest City, and Shawnee), Okemah, Henryetta, Checotah, and Sallisaw. ==Route description== Interstate 40 enters Oklahoma near Texola, in Beckham County. It crosses the North Fork of the Red River near Sayre and runs through the south side of Elk City. It then cuts across the northwest corner of Washita County before entering Custer County, where it passes through Clinton and Weatherford. After leaving Weatherford, I-40 then runs across the northern tip of Caddo County before it enters the Oklahoma City Metro Area at Canadian County. I-40 runs through the south side of El Reno as it enters the Oklahoma City metro. It then passes through Yukon before entering Oklahoma City city limits. In west Oklahoma City, I-40 has a junction with Interstate 44 (the Amarillo Junction). It then runs just south of downtown Oklahoma City on a new ten lane section. I-40 then interlines with Interstate 35 at the Dallas Junction complex, forming a concurrency with it for about two miles (3 km). After the Dallas Junction, I-40 then passes through Del City and Midwest City on a freeway known as the Tinker Diagonal, providing access to Tinker Air Force Base in east Oklahoma City. In far eastern Oklahoma City, I-40 meets Interstate 240 in a partial junction before passing through the north side of Shawnee marking the eastern end of the OKC metro area. In Henryetta, I-40 serves as the northern terminus of the Indian Nation Turnpike. In McIntosh County, it crosses the northernmost arm of Lake Eufaula and meets the US-69 freeway south of Checotah. Near Webbers Falls, I-40 is the southern terminus of the Muskogee Turnpike. It then crosses the Arkansas River before heading around southern Sallisaw. The interstate crosses into Arkansas north of Moffett. 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「Interstate 40 in Oklahoma」の詳細全文を読む スポンサード リンク
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