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|maint=Ohio Department of Transportation, Hamilton County Engineer's Office |established=1958 |length_mi=16.4 |length_ref= |length_round=2 |direction_a=West |terminus_a= in Colerain Township |junction= |direction_b=East |terminus_b= in Montgomery |counties= Hamilton |browse= }} Ronald Reagan Cross County Highway, formerly and locally known as Cross County Highway, is an west-east freeway in Hamilton County, Ohio, United States. It stretches from southern Colerain Township to Montgomery, connecting many of Cincinnati's northern suburbs to Interstate 71 and Interstate 75.〔 State Route 126 is routed over most of the highway, while the remainder is a county-maintained road. Cross County Highway was built by Hamilton County in seven stages from 1958 to 1997,〔 costing $144 million. Highway revolts in Indian Hill and Crosby Township prevented it from crossing the entire county.〔〔 On March 17, 1993, it became the first highway to be named after former U.S. President Ronald Reagan.〔〔 Ronald Reagan Highway was mostly transferred to the state highway system in 1997.〔 ==Route description== Ronald Reagan Highway begins as a county-maintained highway in Colerain Township, from Interstate 275 to Colerain Avenue (U.S. Route 27 / State Route 126) in the community of Groesbeck.〔 This westernmost portion is designated as County Road 453;〔 however, signs indicate this stretch solely by its name. From Groesbeck, the highway carries State Route 126 along a path roughly parallel to the Norwood Lateral, State Route 562, to a junction with Montgomery Road (U.S. Route 22 / State Route 3) in Montgomery. A girder bridge over Hamilton Avenue (U.S. Route 127) in North College Hill is instrumented with over 640 sensors to serve as a field laboratory for University of Cincinnati researchers and Ohio Department of Transportation (ODOT) bridge engineers. Ronald Reagan Highway has a complex junction with Interstate 75 in Cincinnati's Roselawn and Hartwell neighborhoods: southbound I-75 traffic must take Galbraith Road through Arlington Heights and Reading to access Ronald Reagan Highway, and westbound Ronald Reagan traffic must use the same route to reach northbound I-75.〔 The short, easternmost stretch from Interstate 71 to Montgomery Road is a limited-access road, with I-71 ramps forming at-grade intersections with the highway. One of these intersections is unsignalized, requiring traffic from southbound I-71 to cross continuous westbound lanes of Ronald Reagan Highway and merge into continuous eastbound lanes of that highway. Ronald Reagan Highway ends abruptly at a junction with Montgomery Road. A short stub extends to the east. State Route 126 continues north- and eastward on Montgomery Road through Montgomery and Indian Hill.〔 A redwood sign commemorating the dedication of Ronald Reagan Cross County Highway stands at the highway's eastern terminus in the Montgomery Heritage District.〔 The majority of Ronald Reagan Highway, between Interstates 275 and 71, is included in the National Highway System (NHS). The NHS is a network of highways that are identified as being most important for the economy, mobility, and defense of the nation. The entirety of Ronald Reagan Highway has two lanes in each direction, with speed limits ranging from .〔 ODOT's State Farm Safety Patrol vans provide assistance to stranded motorists along Cincinnati-area highways, including the entirety of Ronald Reagan Highway, on weekdays from 6:00 a.m. to 7:00 p.m.〔(【引用サイトリンク】publisher=Ohio Department of Transportation )〕 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「Ronald Reagan Cross County Highway」の詳細全文を読む スポンサード リンク
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