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New York State Route 47
New York State Route 47 (NY 47) was a long state highway around Rochester in New York, in the United States. It formed a semicircle through the inner suburbs of Rochester, following expressways west and east of the city and surface streets south of Rochester. The western terminus of the route was at an interchange with NY 104 west of the city limits in Greece. The eastern terminus was at an intersection with Culver Road in Irondequoit mere yards from Lake Ontario. In between its western and eastern extents, NY 47 met Interstate 490 (I-490) twice. The limited-access highway portions of the route were known as the Rochester Outer Loop (or Outer Loop) in contrast to the Inner Loop around downtown Rochester.
NY 47 was originally routed along surface streets through the city when it was assigned . It began at NY 31 in Gates and followed Howard Road and Brooks Avenue southeast into Rochester, where it continued eastward on Genesee Park Boulevard and Elmwood Avenue. NY 47 remained on the latter through Brighton to an area known as Twelve Corners. At this point, the route turned north onto Winton Road and followed that street through the eastern fringe of the city to Irondequoit, where NY 47 ended at a junction with U.S. Route 104 (US 104, now NY 404). The Outer Loop was constructed in stages, beginning with the portion of the Sea Breeze Expressway north of Ridge Road in the early 1950s. From that point on, construction progressed in a generally clockwise fashion around the city.
By the late 1960s and early 1970s, the Outer Loop was complete from NY 383 to US 104 west of the city and from modern I-590 exit 1 to the lakeshore east of Rochester. NY 47 followed the loop from US 104 south to NY 383 and from Elmwood Avenue north to modern NY 590 exit 8; north of that point, the expressway was part of US 104 and NY 18. NY 47 was extended northward along the remainder of the Sea Breeze Expressway in 1970. On March 18, 1980, the NY 47 designation was removed and replaced with several others, primarily I-390, I-590, NY 390, and NY 590.
==Route description==
NY 47 followed a half-circle routing around the city of Rochester, beginning northwest of downtown in the town of Greece and proceeding generally counterclockwise around the city before ending northeast of downtown at the Lake Ontario shoreline in Irondequoit. The limited-access highway portions of NY 47 were named the "Rochester Outer Loop" (or "Outer Loop") in contrast to the Inner Loop around downtown Rochester. This moniker remains in use to this day, now referring to the designations that have since replaced NY 47 along the loop.〔 Conceptually, NY 104 completes the Outer Loop along the north side of the city. However, only the section east of the Genesee River is expressway, leaving NY 104 from modern NY 390 to the Veterans Memorial Bridge as the only at-grade portion of the loop. The at-grade portion of NY 47 along Scottsville Road and Elmwood Avenue was known as the "Rochester Bypass" prior to the completion of the Outer Loop.〔 The alignment described within this section is of NY 47 upon its removal in 1980.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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