How to Travel New York’s Interstate 684

Although New York's I-684 is only 28.53 miles long, [1] it ties together several important spots and exits, tying White Plains and New York City to most of the Lower Hudson Valley. You can learn all about its travel in this article.

1

Travel in Southern Westchester County, NY.

  1. In Southern Westchester County, this route starts at the base of a connection of three highways - and within a mile veers northwest and connects to a connector route from another Interstate then veers northeast to begin its trek to the next exit.
    • It technically has an exit within White Plains-Harrison for I-287, but also starts from the Hutchinson River Parkway [2] and travels to unnumbered exits for Westchester Ave and Manhattanville Rd, then up into Harrison for the Hutchinson River Parkway (exit 1) and North Castle (exit 2) for the Westchester County Airport and SUNY Purchase. [3]
    • The Wikipedia page mentions that there's a separate spur route signed as I-684 in the Northbound direction beginning between Manhattanville Rd before joining with I-287 and the Hutch called NY-984J - a common misconception of I-684.
    • The Wikipedia page lists the "exits" within this spur as unsigned exits for the Hutchinson River Parkway (exit 16A of the Hutchinson River Parkway northbound), Manhattanville Rd, then continuing as exit 1 of I-684 - all of it inside Harrison, NY in Westchester County.
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2

Travel through Connecticut

  1. In Connecticut, the route travels through without an exit through the town of Greenwich in Fairfield County. The route isn't as curvy to navigate but is very tree-lined, and if you can see through the trees, you might be able to spot landmarks. It travels pretty straight, cutting through the edge of the northwest corner, so that no sooner do you travel through, you'll arrive at the next exit on the Interstate back in the state of New York.
    • The biggest things you might spot on the route through Connecticut include the Tamarack Country Club - if it wasn't for the fact that there are many trees in the way.
    • In fact, Wikipedia even revealed that Connecticut's Department of Transportation pays New York State's Department of Transportation to plow and maintain the interstate over the Connecticut section of the highway. [4] because Connecticut doesn't have rights to travel New York's streets and due to no exits inside Connecticut, has no way to get on without traveling into New York and plowing from there.
3

Travel in Central and Northern Westchester County.

  1. In Central and Northern Westchester County, the route begins just to the south of Armonk in North Castle and travels almost straight north until it reaches the Byram Lake Reservoir area and into the town of Bedford. It curves northeast again until it reaches the Arthur W. Butler Memorial Sanctuary replaces it to its east and heads northwest passing its Bedford Rest Area and Bedford Hills Correctional Facility for Women and into other junctions for the northern terminus of the Saw Mill Parkway in Katonah. The highway picks up NY-22, passing an extension of the Muscoot Reservoir passing the electrified tracks of Metro North's Harlem line, and heads up to Goldens Bridge and Goldens Bridge train station sitting visibly where the NY-22 route splits and the two roads travel in parallel for a few miles and enters just south of Croton Falls and the road splits and travels underneath the highway the roadway continues heading northeast.
    • This part of Westchester has exits for North Castle (exit 3), Bedford-Mount Kisco (exit 4), the Bedford Rest Area (southbound), Saw Mill River Parkway (exit 5), Cross River, and Katonah (exit 6) and including Katonah's Metro-North railroad station, Lewisboro (exit 6A) and the Golden's Bridge Metro-North railroad station, and North Salem's (exit 7) and the Purdy's Metro-North station and Croton Falls (exit 8).
      • Watch out for exit 5. Exit 5 - signed as the Saw Mill River Parkway. The Saw Mill River Parkway has its northern terminus at this location and is a little bit tricky for northbound travelers. I-684 only exits onto the parkway via the southbound lanes, and the parkway enters I-684 from over the northbound lanes where it becomes a pair of Express lanes that runs into the interstate a few miles north at the next exit.
      • The Wikipedia page mentions it travels to NY-117 and New York City, but that's referencing routes at the southern terminus of the parkway.
      • Be careful if you need to travel to the Katonah Metro-North Railroad Station. Its exit is at Exit 6 and is directly accessible off of the interstate.
      • Let the Metro-North Line follow I-684 to exit 6A at Golden's Bridge. At this exit, you'll spot the station right underneath the overpass to NY-138/Waccabuc Rd. You can't access the station right from the interstate, but if you travel off the interstate at this exit, you can travel to the station off the side street - NY-138.
      • Follow the interstate past exit 7 - serving Purdy's-Somers exit. The exit services Purdy's Metro-North (Harlem Line railroad station), yet is shielded from view via a line of trees. The exit is from the northbound side of the highway, yet when entering the highway, you need to take I-684 southbound.
      • Follow the interstate past exit 8 for Croton Falls - and the last exit for this highway in Westchester County. Croton Falls' Metro-North Station is further west than running along the highway, but this station is accessible from this location. Exit 8 services Croton Falls and Hardscrabble Rd.
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4

Travel in Southern and Central Putnam County.

  1. In Putnam County, you'll traverse the towns of Brewster and Southeast, as I-684 keeps interchanging (in some ways) with NY-22 again, even in some spots running parallel to NY-22 on a northeast directional until it meets its main Interstate and continues north for about .32 miles forming its northern terminus and final run-off street. It'll turn more east after the Rest Area and swing north after the cloverleaf for I-84 and even continue north as the unsigned NY-981B towards where it drops and becomes the concurrent routes of US-6 and US-202 to East Branch Reservoir [5] and up towards an at-grade intersection with Sodom and Old Milltown Rds north toward Pawling.
    • You'll find exits for the Brewster Rest Area (northbound) just before the I-84 route (exit 9) and NY-6-202-22 (exit 10) and as it travels into Southeast (it continues as NY-22 at its northern terminus).
    • Follow the route onto its final connector. It drops one lane in each direction and becomes the bidirectional one-lane-per-direction route NY-22, as it heads towards Pawling (Dutchess County), and points north such as towards Patterson, Wingdale, and Dover.

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      Tips

      • There are two rest areas. They don't have gas stations, but they provide ample rest area time to get out and stretch your legs, and even provide restroom facilities if necessary. There's a truck entrance for those to pull over as well, and you'll probably be graced by their presence along the entrance to either of the rest areas.
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      • Most of this route contains trees along the highway, and most of the towns are further away from the highway than just a couple of miles. Big commercial centers exist taking you in both directions.
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      References

      1. ↑ https://en.wikipedia.org/wiki/Interstate_684
      2. ↑ https://maps.app.goo.gl/vNsSrDVD19UFRv559
      3. ↑ http://en.wikipedia.org/wiki/Interstate_684
      4. ↑ https://en.wikipedia.org/wiki/Interstate_684
      5. ↑ https://en.wikipedia.org/wiki/Interstate_684

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