Interstate 684

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Interstate 684
Auxiliary route of the Interstate Highway System
Length: 28.4 mi (45.7 km)
Formed: 1968-1974
South end: I-287 near White Plains
Hutchinson River in Harrison
Major
junctions:
Saw Mill in Katonah
I-84 near Brewster, NY
North end: NY 22 near Brewster, NY

Interstate 684 (abbreviated I-684) is a 28.4 mile-long north-south Interstate highway in the states of New York and Connecticut. The highway connects Interstate 84 with Interstate 287 and the Hutchinson River Parkway, primarily serving commuter traffic to/from the northern suburbs of the New York metropolitan area.

Contents

[edit] Route description

I-684 runs closely parallel to New York State Route 22 (NY 22) in Putnam County and northern Westchester County. The highway begins near I-84's Exit 20, at the junction between NY 22, US 6 and US 202 east of Brewster, New York. I-684 then enters Westchester County where it meets with the northern end of the Saw Mill River Parkway in Bedford, New York. I-684 then briefly cuts across the northwest corner of the Connecticut panhandle in Fairfield County, Connecticut, in which no exits exist. This portion of roadway is maintained by the New York State Department of Transportation but owned by the Connecticut Department of Transportation and is 1.4 miles long. The road then passes by Westchester County Airport (at Exit 2) and then splits into two branches at Exit 1. The main line continues southwest towards Interstate 287 at the White Plains city line. The other branch continues southeast towards the Hutchinson River Parkway (southbound direction only) in Harrison, New York on what is Reference Route 984J.

[edit] Exit list

Diagram of interchanges 5 and 6.
Enlarge
Diagram of interchanges 5 and 6.
County Town Mile Exit Road Notes
Westchester White Plains/Harrison line 0.0 I-287 – Rye, White Plains I-287 EAST, TO I-95 keep straight
I-287 WEST, Westchester Avenue exit on the right
Harrison 0.8 1 Hutchinson Pkwy South – Whitestone Bridge Soutbound exit only – No commercial vehicles this exit.
Reference Route 984J (signed as I-684)
One intermediate exit (Exit 1A) for Manhattanville Road.
North Castle 4.4 2 NY 120Westchester County Airport County Route 135 (Airport Road)
Fairfield New York/Connecticut border. I-684 runs for 1.4 miles within Connecticut then re-enters New York. No exits in Connecticut.
Westchester North Castle 7.6 3N-S NY 22 – Bedford, Armonk Single exit southbound
Bedford 12.6 4 NY 172 – Bedford, Mount Kisco
16.8 5 Saw Mill River Pkwy
NY 117
Southbound exit only.
The Saw Mill acts as a collector-distributor road beginning just south of the NY 35 interchange.
17.7 6 NY 35 – Cross River, Katonah Northbound, the Saw Mill acts as a collector-distributor road and ends just south of the NY 35 interchange.
Lewisboro 19.9 6A NY 22 TO NY 138 – Goldens Bridge Northbound exit only
North Salem 22.4 7 NY 116 – Purdys, Somers Northbound exit only, TO NY 22
23.9 8 Hardscrabble Road – Croton Falls, Purdys
Putnam Southeast 28.1 9E-W I-84 – Newburgh, Danbury
28.4 10 US 6/US 202/NY 22 (South)
28.5 Northbound I-684 ends; roadway downgrades and continues as NY 22 northbound.

[edit] Notes

The alignment of I-684 is part of the original routing of Interstate 87. The designation was changed in 1970 when it was decided to have I-87 go along the New York State Thruway instead.

[edit] External links

Auxiliary routes of Interstate 84
I-384 Connecticut
I-684 New York
Browse numbered routes
< I-678 NY I-690 >
< Route 395 CT Route 691 >