Interstate 487

Interstate 487
Interstate 487
	Canceled portion of I-487 highlighted in brown; Croton Expressway highlighted in red
Route information
	Auxiliary route of I-87
Length	47 mi (76 km)
History	Proposed in 1965; cancelled in 1971
NHS	Entire route
Major junctions
South end	I-87 / I-287 in Tarrytown
North end	I-84 near Beacon
Location
Country	United States
State	New York
Counties	Westchester, Putnam, Dutchess
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future; New York Highways; Interstate; US; State; Reference; Parkways;

Interstate 487 (I-487) was a proposed intrastate Interstate Highway in the Hudson Valley region of New York in the United States. At its greatest extent, the highway, known as the Hudson River Expressway (HRE), was to run for 47 miles (76 km) on the east side of the Hudson River from I-87 in Tarrytown to I-84 east of Beacon. It was met with opposition from its introduction in 1965, leading the project to be gradually scaled back before it was cancelled completely in 1971. Ultimately, only one section was built, an 8-mile (13 km) stretch between Ossining and Peekskill. This road became known as the Croton Expressway and was designated as part of U.S. Route 9 (US 9).

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