page_title: New York State Route 390
section_title: History
hierarchical_section_title: New York State Route 390 / History
caption_attribution_description: English: Approaching the Lake Ontario State Parkway on New York State Route 390 in Greece.
context_page_description: New York State Route 390 is a north–south state highway located along the western edge of the city of Rochester, New York, in the United States. The route, a limited-access northward continuation of Interstate 390, extends for 8.00 miles from I-490 in Gates to the Lake Ontario State Parkway in Greece, less than 1 mile from the Lake Ontario shoreline. Between I-490 and NY 104, NY 390 makes up the north–south segment of the northwest quadrant of the Rochester Outer Loop, a series of expressways encircling Rochester. At NY 104, the Outer Loop departs NY 390 and follows NY 104 east into the city.
  The freeway was constructed in stages from the 1960s to the 1980s, with the first segment—between I-490 and NY 31—opening to traffic c. 1963. At the time, it was part of NY 47, which followed the completed portions of the Outer Loop from Gates to Irondequoit. An extension of the freeway north to U.S. Route 104 was opened to traffic in the early 1970s. NY 47 was eliminated in 1980, giving way to NY 390 from I-490 to NY 104. NY 390 was extended to its current length in the early 1980s.
context_section_description: The 2-mile (3.2 km) segment of the Rochester Outer Loop between NY 33A and NY 31 was completed c. 1963. It was originally designated as part of NY 47, which had followed the parallel Howard Road to the west prior to the freeway's construction. Work on an extension north to US 104 (now NY 104) began in the mid-1960s and was completed in the early 1970s. The freeway officially became part of NY 47 on January 1, 1970, when the route was extended northward over the then-proposed Outer Loop to a new terminus at the Lake Ontario State Parkway. In actuality, however, NY 47 never extended any farther north than NY 104, which served as the freeway's northern terminus throughout the 1970s.
  In the late 1970s, the state of New York submitted a proposal to the American Association of State Highway and Transportation Officials that would substantially alter how the Outer Loop was numbered. As part of the plan, the NY 47 designation would be eliminated while the northwestern section of the Outer Loop—from I-490 in Gates to the proposed northern terminus at the Lake Ontario Parkway in Greece—would become the northernmost part of I-390. Most of the proposed changes took effect on March 18, 1980, when NY 47 was eliminated; however, I-390 was modified to end at its junction with I-490. In its place, the Gates–Greece leg of the Outer Loop was assigned NY 390. The NY 390 designation was extended northward to its current terminus in the early 1980s when the segment of the Outer Loop between NY 104 and the Lake Ontario State Parkway was completed.
  The highway began experiencing dramatic increases in traffic, especially after the highway was extended to the Lake Ontario State Parkway post 1980’s.  As Greece and towns on the northwest side of Rochester have expanded, NY-390 emerged as the primary highway link southward.  The interchange of NY/I-390 and I-490 currently serves over 200,000 cars daily — compared to 25,000 when it was designed and opened in the 1960s — and regularly has heavy congestion during the morning and evening rush hours.  Major slowdowns on 390 are often influenced by the interchange at 490 and Lyell Avenue.
  Starting in 2010, the New York State Department of Transportation began soliciting ideas on how to improve the junction.  The overall project includes four phases, with $150 million in state and federal funding.  The project launched in May 2017, with the replacement of the (NY-31) Lyell Avenue Bridge (which was completed in July 2018).
caption: Approaching the Lake Ontario Parkway on NY 390 north
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