Routes 420-429

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	New York 420		(Douglas Kerr, 10/22/2005)
	Southern Terminus:	US 11, Winthrop
	Northern Terminus:	NY 37, Massena
	Length:	11.92 miles (19.19 km)
	Counties:	St. Lawrence
	Cities:	None
	Villages:	Massena
	Towns:	Stockholm, Norfolk, Massena

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	New York 421		(George Bourey, 09/12/2020)
	Western Terminus:	Veteran's Mountain Camp
	Eastern Terminus:	NY 30, Moody
	Length:	5.70 miles (9.18 km)
	Counties:	St. Lawrence
	Cities:	None
	Villages:	None
	Towns:	Piercefield

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	New York 422 DECOMMISSIONED 09/25/1980
	Western Terminus:	NY 16 / NY 78, Spring Brook
	Eastern Terminus:	NY 358, Marilla
	Length:	5.48 miles (8.82 km)
	Counties:	Erie
	Cities:	None
	Villages:	None
	Towns:	Elma, Marilla
	Replaced By:	Erie CR 574

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	New York 423		(Douglas Kerr, 04/10/2011)
	Western Terminus:	NY 9P, Saratoga Springs
	Eastern Terminus:	NY 32, Bemis Heights
	Length:	3.86 miles (6.21 km)
	Counties:	Saratoga
	Cities:	None
	Villages:	None
	Towns:	Stillwater

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	New York 424 DECOMMISSIONED 08/07/1980
	Western Terminus:	NY 380, Stockton
	Eastern Terminus:	NY 60, Cassadaga
	Length:	3.16 miles (5.09 km)
	Counties:	Chautauqua
	Cities:	None
	Villages:	Cassadaga
	Towns:	Stockton
	Replaced By:	Chautauqua CR 58

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	New York 425		(Douglas Kerr, 11/26/2010)
	Southern Terminus:	I-290, Tonawanda
	Northern Terminus:	NY 18, Wilson
	Length:	23.85 miles (38.40 km)
	Counties:	Erie, Niagara
	Cities:	Tonawanda
	Villages:	Wilson
	Towns:	Wheatfield, Cambria, Wilson

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	New York 426		(Mark Sinsabaugh, 09/28/2018)
	Southern Terminus:	PA Line at Clymer (Continues as PA 426)
	Northern Terminus:	PA Line at Findley Lake (Continues as PA 426)
	Length:	13.32 miles (21.45 km)
	Counties:	Chautauqua
	Cities:	None
	Villages:	None
	Towns:	French Creek, Mina

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	New York 427 (1930-38)
	Southern Terminus:	US 9, Underwood
	Northern Terminus:	NY 9N, Keene
	Length:	11.48 miles (18.48 km)
	Counties:	Essex
	Cities:	None
	Villages:	None
	Towns:	Keene, North Elba
	Replaced By:	NY 86A (1938-55), NY 73 (1955-Present)

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	New York 427		(Mark Sinsabaugh, 02/17/2006)
	Western Terminus:	NY 14, Southport
	Eastern Terminus:	NY 17, Chemung
	Length:	11.72 miles (18.87 km)
	Counties:	Chemung
	Cities:	None
	Villages:	Wellsburg
	Towns:	Southport, Ashland, Chemung

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	New York 428 DECOMMISSIONED 09/09/1980
	Southern Terminus:	NY 39, Forestville
	Northern Terminus:	US 20, Silver Creek
	Length:	5.53 miles (8.90 km)
	Counties:	Chautauqua
	Cities:	None
	Villages:	Silver Creek
	Towns:	Hanover
	Replaced By:	Chautauqua CR 85

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	New York 429		(Mark Sinsabaugh, 04/17/2004)
	Southern Terminus:	NY 265 / NY 384, N. Tonawanda
	Northern Terminus:	NY 104, Streeters Corners
	Length:	12.16 miles (19.58 km)
	Counties:	Niagara
	Cities:	N. Tonawanda
	Villages:	None
	Towns:	Wheatfield, Lewiston, Cambria

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