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Pennsylvania Route 60 (PA 60) is a state highway located in the western suburbs of Pittsburgh, Pennsylvania, in the United States. Although the route follows a mostly east–west alignment, it is signed as a north–south highway. The southern terminus of the route is at a pseudo-interchange with U.S. Route 19 (US 19) and PA 51 in Pittsburgh's West End while the northern terminus is at an interchange with Interstate 376 (I-376), US 22, and US 30 in Robinson Township. The portion of PA 60 outside of Pittsburgh is known as the Steubenville Pike; within the city, PA 60 follows several different streets. The routing of PA 60 was originally designated as part of US 22 and US 30 in the 1920s. In 1956, US 22 and US 30 were rerouted to follow a new highway to the south while the former routing of the two routes through Crafton became PA 60. The PA 60 designation was gradually extended northward as sections of the Airport Parkway and the Beaver Valley Expressway were built in the 1960s and 1970s, with the route eventually extending as far northward as US 62 Business in Sharon. For years, a gap existed in PA 60 between West Mayfield and New Castle; it was filled on November 20, 1992, with the opening of a toll road between the two locations. In 2005, it was announced that the part of PA 60 between Robinson Township and the Pennsylvania Turnpike in Beaver County would become part of an extended I-376 in 2009. The changeover officially occurred on November 6, 2009, with I-376 extending farther northward to I-80 near Sharon. PA 60 was truncated back to its original terminus at US 22 and US 30 in Robinson Township while the portion of former PA 60 north of I-80 in Sharon became PA 760. ==Route description== PA 60 begins in the West End of the city of Pittsburgh at a complex intersection with U.S. Route 19 (US 19) and PA 51 that also serves as the northern terminus of PA 837. It heads southwestward along South Main Street through the West End before curving to the south and following Noblestown Road south and west around the Elliott neighborhood. The route continues into Crafton Heights, where it meets the eastern terminus of PA 50. Here, the Noblestown Road name follows PA 50 to the south while PA 60 heads westward as Crafton Boulevard into the borough of Crafton. Just inside the borough, the route makes a sharp turn to the south, generally paralleling the borough limits to the intersection of Crafton Boulevard and Dinsmore Avenue. At this point, northbound and southbound PA 60 splits for about , with PA 60 North following Dinsmore and Noble Avenues northward through a densely populated residential area to East Steuben Street. The route turns west here, rejoining the northbound half of traffic five blocks later at West Crafton Avenue. PA 60 South, meanwhile, is routed on West Crafton and Crennell Avenues through a busway underpass to a traffic circle with Stotz Avenue, where it turns right to follow Stotz Avenue for one block to Bradford Avenue. The route veers southward here, remaining on Bradford Avenue to a junction with Crafton Boulevard, where it rejoins opposing traffic.〔〔 Once again a two-direction highway, PA 60 heads westward through a more open but still developed area of Crafton before exiting the borough upon crossing Chartiers Creek. Now in Robinson Township, PA 60 becomes known as Steubenville Pike as it heads generally westward through a mountainous, lightly developed portion of the township. The amount of development around the route increases as it approaches Interstate 79 (I-79), which PA 60 meets at exit 60. At this point, the Yellow Belt joins PA 60 as the route heads generally westward through a narrow but extensive commercial and residential neighborhood developed around the highway. As the route enters the vicinity of I-376, US 22, and US 30, the valley widens and the homes and small commercial developments give way to larger establishments and stores. PA 60 continues on past them to an interchange with the aforementioned three routes, where PA 60 terminates.〔〔 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「Pennsylvania Route 60」の詳細全文を読む スポンサード リンク
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