I-684

Interstate 684
Map of New York with I-684 highlighted in red
Route information
Maintained by NYSDOT
Length:	28.46 mi (45.80 km)
Existed:	January 1, 1970 – present
History:	Completed in 1974
Major junctions
South end:	I-287 at White Plains–Harrison, NY border Saw Mill River Parkway in Bedford, NY I-84 in Southeast, NY US 6 / US 202 / NY 22 in Southeast, New York
North end:	NY 22 in Southeast, New York
Highway system
Interstate Highway System Main Auxiliary Suffixed Business ← I-678 NY I-687 → ← I-491 CT I-691 →

I-287 at White Plains–Harrison, NY border
Saw Mill River Parkway in Bedford, NY
I-84 in Southeast, NY

Interstate 684 (I-684) is a 28.4 mile-long (45.7 km) north–south Interstate Highway in the states of New York and Connecticut in the United States. The highway connects I-84 with I-287 and the Hutchinson River Parkway, primarily serving commuter traffic to and from the northern suburbs of the New York metropolitan area. The route of the highway was originally designated as part of I-87 during the 1960s. The first section of the roadway opened to traffic in October 1968, and the final segment was completed in December 1974.