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Oregon Route 43 is an Oregon state highway that runs between the cities of Oregon City and Portland, mostly along the western flank of the Willamette River. While it is technically known by the Oregon Department of Transportation as the Oswego Highway No. 3 (see Oregon highways and routes), on maps it is referred to by its route number or by the various street names it has been given. ==Route description== The southern terminus of Oregon Route 43 is at a junction with Oregon Route 99E in downtown Oregon City. From there, it runs east for two blocks, along the couplet of Main and Railroad streets, and then turns north and crosses the Willamette River on the historic Oregon City Bridge, entering the city of West Linn. Almost immediately on the West Linn side of the river is an interchange with Interstate 205. It continues north through West Linn (where it is called Willamette Drive), providing service to numerous neighborhoods and business districts. Due to constrained geography (the city is mostly located on the sides of a steep slope) and encroaching homes and businesses, the route is only a two-lane road in many stretches. North of West Linn, the highway passes by Marylhurst University, and enters the city of Lake Oswego. In the southern portions of Lake Oswego, Route 43 is given the street name of Pacific Highway, a designation that usually refers to Oregon Route 99 (the highway is a historic routing of U.S. Route 99). Soon after, the route crosses over Oswego Creek and enters downtown Lake Oswego, where it is known as South State Street (between McVey Avenue and A Avenue) and North State Street (between A Avenue and Terwilliger Boulevard). The Willamette Shore Trolley begins just south of A Avenue across from the Millennium Plaza Park on South State Street, and parallels Oregon Route 43 as both head north into Portland. North of downtown Lake Oswego, OR 43 acquires the name Riverside Drive, and enters a three-lane section (two main lanes and a climbing lane) as it climbs over a hill overlooking the Willamette River. This stretch of OR 43 passes by some of the most exclusive and wealthy neighborhoods (Dunthorpe, Riverwood, Riverdale) in the Portland area. The highway soon enters the city of Portland, where it is known as Southwest Macadam Avenue. Macadam Avenue passes alongside the river for several miles, sandwiched between the river on the east and River View Cemetery on the west. It also passes near (and provides access via Southwest Palatine Hill Road to) Lewis & Clark College. Near the northern end of the cemetery is an interchange with the Sellwood Bridge, at which point OR 43 becomes a four-lane divided thoroughfare. Soon afterwards, the highway enters the Johns Landing neighborhood, a narrow strip of homes, parks and businesses located between the river and Interstate 5, high on the hill above it. The area is home to Oregon Public Broadcasting and the Portland offices and studios of Clear Channel Communications, as well as a local landmark, The Water Tower. Oregon Route 43 and the freeway run parallel for several miles until an interchange with I-5 and U.S. Route 26 near the Ross Island Bridge. 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「Oregon Route 43」の詳細全文を読む スポンサード リンク
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