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Pennsylvania Route 222 (PA 222) is a -long state highway contained entirely in Allentown, Lehigh County, Pennsylvania and its immediate suburbs mostly along Hamilton Boulevard. The route, in center city Allentown, is aligned along West Hamilton, West Linden, and West Walnut Streets. The southern terminus of the route is at Interstate 78 (I-78) and PA 309 in Dorneyville, where the roadway changes designation from PA 222 to U.S. Route 222 (US 222). The northern terminus is PA 145 in Allentown. Hamilton Street has served as the main street in Allentown since the community was founded in the 18th century. Hamilton Street and Hamilton Boulevard became part of the William Penn Highway in 1916, PA 3 in 1924, and US 22 in 1926. In 1931, US 22 was routed to a new alignment to the north, and Hamilton Boulevard and Hamilton Street west of 15th Street became a part of US 222. In the 1950s, US 222 was rerouted to bypass Allentown, leaving Hamilton Boulevard and Hamilton Street through the city unnumbered. In 1984, the Pennsylvania Department of Transportation proposed extending US 222 from I-78/PA 309 to downtown Allentown, where it would end at PA 145. The American Association of State Highway and Transportation Officials (AASHTO) rejected extending US 222 into Allentown, and PA 222 was instead designated to run between I-78/PA 309 and US 222 and PA 145 in 1991. ==Route description== PA 222 begins at an interchange with I-78/PA 309 in the community of Dorneyville in South Whitehall Township in Lehigh County, where the road continues southwest as US 222 towards Reading. From this interchange, PA 222 heads northeast on four-lane divided Hamilton Boulevard, passing between Dorney Park & Wildwater Kingdom to the north and businesses to the south. Direct access to Dorney Park is limited to PA 222 southbound, as northbound traffic must make a left turn onto Lincoln Avenue to access the park. After passing the amusement park, the route splits into two carriageways, with PA 222 north remaining on Hamilton Boulevard and PA 222 south following the newer Hamilton Boulevard Bypass to the north. A short distance to the east, the road intersects Cedar Crest Boulevard, a major north–south arterial in the Allentown metropolitan area. Northeast of Cedar Crest Boulevard, the two carriageways merge onto Hamilton Boulevard as it passes to the south of Cedar Crest College. At this point, PA 222 leaves South Whitehall Township for the city of Allentown. The route becomes a four-lane undivided road and passes through residential areas. At the intersection with Ott Street, PA 222 curves east onto Hamilton Street and runs along the southern edge of Cedar Creek Park, where it intersects 24th Street. The road continues east through residential and commercial areas, narrowing to three lanes with two northbound lanes and one southbound lane at the 20th Street intersection. The route passes to the north of St. Luke's Hospital between 18th and 17th streets and comes to an intersection with 15th Street.〔〔 PA 222 heads into downtown Allentown, where it splits into a one-way pair at 12th Street. Northbound PA 222 turns south onto 12th Street and east onto Walnut Street while southbound PA 222 runs west along Linden Street to 12th Street, following 12th Street south to Hamilton Street. Walnut Street is two lanes and two-way until 10th Street, where it becomes one-way with two northbound lanes heading east, while Linden Street is one way southbound with two lanes heading west. The one-way paring continues east past homes and businesses in the downtown area. Southbound PA 222 passes to the north of the PPL Center sports arena between 8th and 7th streets. PA 222 intersects 7th Street, which carries southbound PA 145, before it reaches its northern terminus at 6th Street, which carries northbound PA 145.〔〔 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 222」の詳細全文を読む スポンサード リンク
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