Editing Interstate 287 (section)

==Route description==
{{lengths table|length_ref=<ref name="fhwa" />}}
|-
|NJ
|{{convert|67.54|mi|km|disp=table}}
|-
|NY
|{{convert|31.18|mi|km|disp=table}}
|-
|Total
|{{convert|98.72|mi|km|disp=table}}
|}

===New Jersey===

====Middlesex County====
[[File:2020-07-13 16 44 41 View south along Interstate 287 (Middlesex Freeway) at Exit 3 (Middlesex County Route 501, New Durham Road, New Durham, Metuchen) in Edison Township, Middlesex County, New Jersey.jpg|thumb|right|View south along I-287 at exit&nbsp;3 (CR&nbsp;501) in Edison]]
I-287 begins at an interchange with the [[New Jersey Turnpike]] ([[Interstate 95 in New Jersey|I-95]]) in [[Edison, New Jersey|Edison]] in [[Middlesex County, New Jersey]], where the freeway continues east as [[New Jersey Route 440|Route&nbsp;440]] toward [[Perth Amboy, New Jersey|Perth Amboy]] and [[Staten Island]].<ref name=sld>{{cite web|url= http://www.state.nj.us/transportation/refdata/sldiag/pdf/00000287__-.pdf|title=I-287 Straight Line Diagram|access-date=March 17, 2020|publisher=[[New Jersey Department of Transportation]]}}</ref><ref name=gm>{{Google maps |url=https://maps.google.com/maps?f=d&source=s_d&saddr=40.5285,+-74.336&daddr=I-287+N+to:41.023427,-74.245605+to:interstate+287+and+interstate+95+port+chester,+ny&geocode=FXRqagIdALmR-w%3BFSCwbgIdlveP-w%3B%3BFXtwcQIdCvSb-ylpOJeJTZfCiTG1zrvna6XvQA&hl=en&mra=dpe&mrcr=0&mrsp=2&sz=9&via=1,2&sll=40.75558,-74.012146&sspn=0.867569,2.694397&ie=UTF8&t=h&z=9|title=overview of Interstate 287|access-date=December 18, 2009}}</ref> Within Middlesex County, I-287 is called the Lt. Col. (Ret) Richard F. Lauer, US Army Highway.<ref name=sld/> From this point, it heads west as an eight-lane freeway through suburban areas, soon reaching an interchange with [[U.S. Route 1 in New Jersey|US&nbsp;1]] that also has access to [[County Route 531 (New Jersey)|County Route&nbsp;531]] (CR&nbsp;531) in the southbound direction. Past this point, the road turns more to the northwest and passes under [[Conrail Shared Assets Operations]]'s Bonhamtown Industrial Track line and a railroad spur before it comes to the junction with [[New Jersey Route 27|Route&nbsp;27]] ([[Lincoln Highway]]).<ref name=sld/><ref name=gm/> Following Route&nbsp;27, I-287 narrows to six lanes and passes over [[Amtrak]]'s [[Northeast Corridor]] as it continues to a southbound exit and northbound entrance with [[County Route 501 (New Jersey)|CR&nbsp;501]].<ref name=sld/>

As the freeway continues into [[South Plainfield, New Jersey|South Plainfield]], it passes near several business parks and comes to a partial interchange with Durham Avenue which only has a northbound exit and southbound entrance.<ref name=sld/><ref name=gm/> At this point, the road starts to turn more west before it comes to a full junction with [[County Route 529 (New Jersey)|CR&nbsp;529]]. Here, the road enters [[Piscataway, New Jersey|Piscataway]] and reaches an interchange with CR&nbsp;665 (Washington Avenue).<ref name=sld/> Continuing near more business parks, I-287 comes to the exit for South Randolphville Road.<ref name=sld/><ref name=gm/> Following this interchange, the road heads west more before it turns to the southwest and comes to an interchange with the northern terminus of [[New Jersey Route 18|Route&nbsp;18]].<ref name=sld/> After Route&nbsp;18, the freeway comes to the [[County Route 622 (Middlesex County, New Jersey)|CR&nbsp;622]] (River Road) exit.<ref name=sld/><ref name=gm/>

====Somerset County====
[[File:2020-07-08 12 46 32 View north along Interstate 287 at Exit 21B (Interstate 78 WEST, Easton PA) in Bridgewater Township, Somerset County, New Jersey.jpg|thumb|left|I-287 northbound at I-78 in Bedminster]]
After crossing over the [[Raritan River]], I-287 enters [[Franklin Township, Somerset County, New Jersey|Franklin Township]], [[Somerset County, New Jersey|Somerset County]], and becomes the Captain (Ret) Joseph Azzolina, US Navy Highway. Soon after the river, there is an interchange with [[County Route 527 (New Jersey)|CR&nbsp;527]].<ref name=sld/> After CR&nbsp;527, the freeway makes a turn to the northwest and passes a mix of residential areas and business parks.<ref name=gm/> The road has an interchange with CR&nbsp;623 (Weston Canal Road) before crossing the Raritan River again and continuing into [[Bridgewater Township, New Jersey|Bridgewater Township]].<ref name=sld/> Within Bridgewater Township, I-287 curves north-northwest and passes over Conrail Shared Assets Operations's [[Lehigh Line (Conrail)|Lehigh Line]] and then both [[NJ Transit]]'s [[Raritan Valley Line]] and [[County Route 533 (New Jersey)|CR&nbsp;533]] near [[TD Bank Ballpark]], which is home to the [[Somerset Patriots]] baseball team. Past this area, the road encounters [[New Jersey Route 28|Route&nbsp;28]] at an interchange.<ref name=sld/><ref name=gm/> Past Route&nbsp;28, the freeway turns northwest and passes over [[Norfolk Southern Railway]]'s Middle Brook Industrial Track line before it intersects [[U.S. Route 22 in New Jersey|US&nbsp;22]] at a partial interchange with a northbound exit and entrance and southbound entrance. From this point, I-287 makes a turn to the west and runs to the north of US&nbsp;22 as it has a wide median.<ref name=sld/> The freeway turns northwest as it passes near the [[Bridgewater Commons]] shopping mall and reaches a partial interchange with [[U.S. Route 202 in New Jersey|US&nbsp;202]]/[[U.S. Route 206|US&nbsp;206]].<ref name=sld/><ref name=gm/> Through the remainder of New Jersey, US&nbsp;202 parallels the course of I-287.<ref name=gm/> At this point, I-287 gains a [[local–express lane]] configuration, with three local and two express lanes southbound and three express and three local lanes northbound. Both the southbound local and express lanes have access to southbound US&nbsp;202/US&nbsp;206 at this interchange, whereas northbound US&nbsp;202/US&nbsp;206 only has access to the local lanes of northbound I-287.<ref name=sld/>

From here, the road continues north past suburban residential areas, with the northbound direction narrowing to two local lanes, before entering [[Bedminster, New Jersey|Bedminster]].<ref name=sld/><ref name=gm/> Here, I-287 intersects [[Interstate 78 in New Jersey|I-78]] at the Vincent R. Kramer Interchange, where the local–express lane configuration ends. Access from eastbound I-78 to southbound I-287 is only to the local lanes. Meanwhile, the express lanes of northbound I-287 provides access to westbound I-78 while the local lanes provide access to eastbound I-78.<ref name=sld/> Following I-78, I-287 heads north with four northbound lanes and three southbound lanes into more wooded surroundings, reaching another interchange with US&nbsp;202/US&nbsp;206.<ref name=sld/><ref name=gm/> At this point, the freeway median widens again as it turns northeast before continuing more to the east and entering [[Far Hills, New Jersey|Far Hills]]. Within Far Hills, the road passes under [[County Route 512 (New Jersey)|CR&nbsp;512]] before the northbound direction narrows to three lanes and the wide median ends. Entering [[Bernards Township, New Jersey|Bernards Township]], I-287 runs east-northeast to an interchange with [[County Route 525 (New Jersey)|CR&nbsp;525]].<ref name=sld/> After the CR&nbsp;525 interchange, the road gains a wide median that narrows again before the road runs under NJ Transit's [[Gladstone Branch]], heading more to the northeast.<ref name=sld/><ref name=gm/> Before leaving Bernards Township, there is an exit for North Maple Avenue.<ref name=sld/>

====Morris County====
[[File:2020-07-08 13 35 20 View north along Interstate 287 at Exit 41A (Interstate 80 EAST TO U.S. Route 46, Smith Road, New York City) in Parsippany-Troy Hills Township, Morris County, New Jersey.jpg|thumb|right|I-287 northbound approaching I-80 in Parsippany–Troy Hills]]
A short distance after this interchange, I-287 enters [[Harding Township, New Jersey|Harding Township]], [[Morris County, New Jersey|Morris County]], at the crossing of the [[Passaic River]], where it becomes the Marine Hector Cafferata Jr. Cong. Medal of Honor Highway.<ref name=sld/> It continues northeast, with US&nbsp;202 running a short distance to the west.<ref name=sld/><ref name=gm/> The freeway makes a turn more to the east as it comes to a truck-only [[rest area]] in the northbound direction.<ref name=gm/> The road crosses into [[Morris Township, New Jersey|Morris Township]], where it reaches an exit-only interchange with Harter Road; there are no entrances present.  Shortly after Harter Road, there is a junction with CR&nbsp;663 (James Street) that only has entrances to I-287. After this, I-287 turns north and enters [[Morristown, New Jersey|Morristown]], where the southbound direction gains a fourth lane as the median narrows.<ref name=sld/> The freeway enters more developed areas as it comes to the [[New Jersey Route 124|Route&nbsp;124]] interchange. From this point, the road becomes eight lanes total, with four in each direction, as it passes west of [[Morristown Medical Center]].<ref name=sld/><ref name=gm/> After crossing under NJ Transit's [[Morristown Line]], it reaches the exit for [[County Route 510 (New Jersey)|CR&nbsp;510]]. From CR&nbsp;510, I-287 makes a turn to the northeast, crossing back into Morris Township before continuing into [[Hanover Township, New Jersey|Hanover Township]]. Here, the route comes to the western terminus of the [[New Jersey Route 24|Route&nbsp;24]] freeway and becomes ten lanes total.<ref name=sld/> Following Route&nbsp;24, the freeway passes over the [[Morristown and Erie Railway]]'s Whippany Line before it intersects [[New Jersey Route 10|Route&nbsp;10]] and becomes nine lanes, with five southbound and four northbound. I-287 passes near several business parks as it enters [[Parsippany–Troy Hills, New Jersey|Parsippany–Troy Hills]]. In this area, there is an interchange with [[County Route 511 (New Jersey)|CR&nbsp;511]] east of Lake Parsippany that also has access to Entin Road in the southbound direction. After this, I-287 widens to eleven lanes with five northbound lanes, two express southbound lanes, and four local southbound lanes as it comes to the [[Interstate 80 in New Jersey|I-80]] junction.<ref name=sld/><ref name=gm/>

Following this interchange, the freeway becomes six lanes, with three in each direction as it continues into more wooded areas and reaching an exit with access to [[U.S. Route 46|US&nbsp;46]] and US&nbsp;202/CR&nbsp;511. In this area, the highway runs to the west of the [[Boonton Reservoir]] and immediately to the east of US&nbsp;202/CR&nbsp;511.<ref name=sld/><ref name=gm/> I-287 comes to the Intervale Road exit, which carries US&nbsp;202 and CR&nbsp;511. The freeway enters [[Boonton, New Jersey|Boonton]], where it turns northeast, with NJ Transit's [[Montclair-Boonton Line]] located a short distance to the northwest.<ref name=sld/> In Boonton, there is another interchange with US&nbsp;202/CR&nbsp;511. From here, I-287 curves more to the east, with US&nbsp;202 running immediately to the north of the road.<ref name=sld/><ref name=gm/> Along this stretch, there is an exit for US&nbsp;202 and Vreeland Avenue.<ref name=sld/> Upon entering [[Montville, New Jersey|Montville]], the passes near wooded residential areas before coming to another interchange with US&nbsp;202. I-287 continues northeast from this point, drawing away from US&nbsp;202, crossing under NJ Transit's Montclair-Boonton Line before running north-northeast through more woodland as the terrain starts to get more mountainous. This stretch of I-287 continues for {{Convert|6|mi|km|spell=in}} before its next exit.<ref name=sld/><ref name=gm/> The freeway runs through [[Kinnelon, New Jersey|Kinnelon]], where the northbound direction has four lanes, and [[Pequannock Township, New Jersey|Pequannock Township]] before entering [[Riverdale, New Jersey|Riverdale]]. In Riverdale, there is an interchange with [[New Jersey Route 23|Route&nbsp;23]]. A short distance later, I-287 reaches the CR&nbsp;694 interchange which provides access to [[County Route 511 Alternate (New Jersey)|CR&nbsp;511 Alternate]] (CR&nbsp;511 Alt.).<ref name=sld/>

====Passaic and Bergen counties====
[[File:2024-07-03 13 58 54 View north along Interstate 287 from the cliffs on the east side of the highway just north of Exit 55 in Wanaque, Passaic County, New Jersey.jpg|thumb|left|I-287 passing through rock cuts in Wanaque]]
Immediately after this, I-287 crosses over the [[Pequannock River]] and [[New York, Susquehanna and Western Railway]]'s New Jersey Subdivision line into [[Bloomingdale, New Jersey|Bloomingdale]], [[Passaic County, New Jersey|Passaic County]], where the highway becomes US Air Force Gunner Clarence "Red" Mosley Highway.<ref name=sld/> The road continues northeast and turns north as it briefly passes through [[Pompton Lakes, New Jersey|Pompton Lakes]] before crossing into [[Wanaque, New Jersey|Wanaque]].<ref name=sld/><ref name=gm/> Here, the road makes a turn northeast again as it comes to the CR&nbsp;511 Alternate interchange.<ref name=sld/> After this, I-287 passes through rock cuts in the [[Ramapo Mountains]] before making a sharp turn east as it crosses high above the [[Wanaque River]] valley on a bridge. The freeway continues into [[Oakland, New Jersey|Oakland]], [[Bergen County, New Jersey|Bergen County]], where the name becomes Army Staff Sergeant Walter Bray Highway.<ref name=sld/><ref name=gm/>

Here, there are a couple of businesses near the road before the interchange with [[Skyline Drive (New Jersey)|Skyline Drive]]. Following this, the road crosses the [[Ramapo River]] before passing near neighborhoods and reaching a junction with US&nbsp;202.<ref name=sld/><ref name=gm/> After US&nbsp;202, I-287 turns southeast and closely parallels the New York, Susquehanna and Western Railway line to the southwest before coming to an interchange with the northern terminus of [[New Jersey Route 208|Route&nbsp;208]] at the [[Franklin Lakes, New Jersey|Franklin Lakes]] borough line.<ref name=sld/> Past this interchange, I-287 narrows to four lanes and turns northeast as the railroad line draws away. The freeway passes wooded residential neighborhoods prior to turning north and entering [[Mahwah, New Jersey|Mahwah]], where it continues near more wooded suburban areas as well as the [[Campgaw Mountain Reservation]] to the west of the road. After passing to the east of the [[Ramapo College]] campus, I-287 passes over US&nbsp;202.<ref name=sld/><ref name=gm/> The freeway crosses the Ramapo River again before reaching an interchange with [[New Jersey Route 17|Route&nbsp;17]].<ref name=sld/> At this point, Route&nbsp;17 forms a [[concurrency (road)|concurrency]] with I-287 and the road widens to six lanes as it passes between the [[Ramapo Valley County Reservation]] to the west and business parks to the east.<ref name=sld/><ref name=gm/>

===New York===

====New York State Thruway====
{{See also|New York State Thruway}}
[[File:2020-09-08 14 35 47 View north along Interstate 287 and New Jersey State Route 17 just south of the New York State Thruway in Mahwah Township, Bergen County, New Jersey.jpg|thumb|right|I-287/Route&nbsp;17 crossing into New York just south of the New York State Thruway]]
Upon entering New York in the village of [[Hillburn, New York|Hillburn]] in the town of [[Ramapo, New York|Ramapo]] in [[Rockland County, New York]], New Jersey's Route&nbsp;17 ends and [[New York State Route 17|NY&nbsp;17]] follows I-287 as the road comes to an interchange with the [[New York State Thruway]] ([[Interstate 87 (New York)|I-87]]).<ref name=2008tdr>{{cite web|url=https://www.dot.ny.gov/divisions/engineering/technical-services/hds-respository/Traffic%20Data%20Report%202008.pdf |archive-url=https://web.archive.org/web/20120927022429/https://www.dot.ny.gov/divisions/engineering/technical-services/hds-respository/Traffic%20Data%20Report%202008.pdf |url-status=dead |archive-date=September 27, 2012 |title=2008 Traffic Data Report for New York State |date=June 16, 2009 |page=201 |publisher=[[New York State Department of Transportation]] |access-date=December 8, 2009 }}</ref><ref name=hagstrom>{{cite map|publisher=[[Hagstrom Map]]|title=New York State Road Atlas|year=2001}}</ref> At this point, NY&nbsp;17 splits north onto I-87 and I-287 joins I-87 on the eight-lane New York State Thruway, passing over [[Metro-North Railroad]]'s [[Port Jervis Line]] as it heads east out of the mountains into suburban residential and commercial surroundings as it narrows to six lanes.<ref name=gm/><ref name=2008tdr/> After passing through the village of [[Montebello, New York|Montebello]], the freeway reaches an interchange with Airmont Road where it becomes the border between Montebello to the north and the village of [[Airmont, New York|Airmont]] to the south.<ref name=2008tdr/><ref name=hagstrom/> Continuing to the east, the New York State Thruway becomes the border between [[Monsey, New York|Monsey]] and Airmont before separating Monsey from the village of [[Chestnut Ridge, New York|Chestnut Ridge]] to the south as it turns slightly to the east-southeast.<ref name=hagstrom/> After briefly running along the south edge of the village of [[Spring Valley, New York|Spring Valley]], where there is a westbound [[open road tolling|toll gantry]] for trucks, the highway fully enters Chestnut Ridge.<ref name=gm/><ref name=hagstrom/> In this area, it comes to the Thruway's [[Garden State Parkway Connector]].<ref name=2008tdr/> Following this junction, I-87/I-287 continues east into the town of [[Clarkstown, New York|Clarkstown]], coming to an exit for [[New York State Route 59|NY&nbsp;59]].<ref name=2008tdr/><ref name=hagstrom/> After this, the road passes to the north of [[Nanuet, New York|Nanuet]], crossing under NJ Transit/Metro-North Railroad's [[Pascack Valley Line]].<ref name=gm/><ref name=hagstrom/> The freeway crosses under [[New York State Route 304|NY&nbsp;304]] before the cloverleaf interchange with the [[Palisades Interstate Parkway]]. As the Thruway continues into [[West Nyack, New York|West Nyack]], it passes under [[CSX Transportation]]'s [[River Subdivision (CSX Transportation)|River Subdivision]] line before coming to the exit for [[New York State Route 303|NY&nbsp;303]] that provides access to the [[Palisades Center]] shopping mall to the south of the road.<ref name=gm/><ref name=2008tdr/>

[[File:I-287 I-87.jpg|thumb|left|I-287 interchanges with I-87 in Suffern and Hillburn, New York (foreground) and New Jersey Route 17 in Mahwah, New Jersey (background). The border between New York and New Jersey is about halfway up the photo.|alt=A view of a freeway leaving an interchange from a mountaintop, heading between development to the left and mountains to the right]]
Past NY&nbsp;303, I-87/I-287 turns to the east-southeast and passes near wooded areas as well as suburban neighborhoods of [[Central Nyack, New York|Central Nyack]].<ref name=gm/><ref name=hagstrom/> It comes to another interchange with NY&nbsp;59 that also provides access to [[U.S. Route 9W in New York|US&nbsp;9W]].<ref name=2008tdr/><ref name=hagstrom/> Within this interchange, the roadway has an eastbound toll gantry for the [[Tappan Zee Bridge (2017–present)|Tappan Zee Bridge]] that allows tolls to be collected at highway speeds using [[E-ZPass]] or [[toll by mail]]. At this point, the New York State Thruway widens to eight lanes and turns to the south-southeast into the village of [[Nyack, New York|Nyack]] in the town of [[Orangetown, New York|Orangetown]], crossing over US&nbsp;9W prior to passing near residential areas in the village of [[South Nyack, New York|South Nyack]] as it runs to the east of US&nbsp;9W, descending into [[The Palisades (Hudson River)|the Palisades]].<ref name=gm/><ref name=hagstrom/> The last interchange in Rockland County is with US&nbsp;9W and has no southbound exit.<ref name=gm/><ref name=2008tdr/> From here, the New York State Thruway crosses the [[Hudson River]] on the Tappan Zee Bridge east into the village of [[Tarrytown, New York|Tarrytown]] in the town of [[Greenburgh, New York|Greenburgh]] in [[Westchester County, New York|Westchester County]].<ref name=gm/><ref name=hagstrom/> After passing over the river, the road crosses over Metro-North Railroad's [[Hudson Line (Metro-North)|Hudson Line]].<ref name=gm/> After this, the freeway comes to the exit for [[U.S. Route 9 in New York|US&nbsp;9]] that also serves the western terminus of [[New York State Route 119|NY&nbsp;119]].<ref name=2008tdr/><ref name=hagstrom/> I-87/I-287 continues east past woodland and business parks, leaving Tarrytown. The two routes then split; I-87 continues south on the New York State Thruway, while I-287 heads east on the Cross Westchester Expressway.<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/> This interchange also has access to and from the northbound [[Saw Mill River Parkway]] and NY&nbsp;119.<ref name=gm/>

====Cross Westchester Expressway====

The Cross Westchester Expressway, which is maintained by the NYSTA, is six lanes wide and carries I-287 east to a westbound exit for NY&nbsp;119 that is intertwined with the ramps between the New York State Thruway and NY&nbsp;119/Saw Mill River Parkway.<ref name=gm/><ref name=2008tdr/><ref name=nysta>{{cite web|url=http://www.nysthruway.gov/travelers/interchanges/index.html|title=Interchange/Exit Listing with Mileposts|publisher=[[New York State Thruway Authority]]|access-date=December 20, 2009|url-status=dead|archive-url=https://web.archive.org/web/20100111104309/http://www.nysthruway.gov/travelers/interchanges/index.html|archive-date=January 11, 2010|df=mdy-all}}</ref> After passing over the Saw Mill River Parkway and the [[Saw Mill River]], the road enters the village of [[Elmsford, New York|Elmsford]] and runs through developed areas as it has a partial diamond interchange with [[New York State Route 9A|NY&nbsp;9A]] that does not have an eastbound exit.<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/> The Cross Westchester Expressway turns southeast from this point and intersects the [[Sprain Brook Parkway]].<ref name=2008tdr/><ref name=hagstrom/> I-287 widens to eight lanes at this junction and continues to the exit for [[New York State Route 100A|NY&nbsp;100A]].<ref name=gm/><ref name=2008tdr/> After the NY&nbsp;100A interchange, the freeway leaves Elmsford and turns to the east near residential areas, narrowing to six lanes before coming to an exit for [[New York State Route 100|NY&nbsp;100]] and NY&nbsp;119 that also has access to the [[Bronx River Parkway]].<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/>
[[File:I-287end.JPG|thumb|right|I-287 sign at the end of the route at the I-287/I-95 intersection in Rye, New York|alt=An end I-287 shield with trees in the background]]
Following this exit, the road becomes eight lanes again and crosses over the Bronx River Parkway, the [[Bronx River]], and Metro-North Railroad's [[Harlem Line]].<ref name=gm/><ref name=hagstrom/> Here, the road crosses into [[White Plains, New York|White Plains]] and reaches an interchange with [[New York State Route 22|NY&nbsp;22]].<ref name=2008tdr/><ref name=hagstrom/> Past NY&nbsp;22, I-287 makes a sharp curve to the south as it narrows to six lanes and runs near inhabited neighborhoods.<ref name=gm/> The road has a westbound exit and eastbound entrance with the [[Central Westchester Parkway]], a road that provides access to the [[Taconic State Parkway]] by way of NY&nbsp;22. The freeway runs past commercial areas to the east of downtown White Plains as it encounters Westchester Avenue, which connects to [[The Westchester]] shopping mall in the downtown area.<ref name=gm/><ref name=2008tdr/> Within this interchange, the Cross Westchester Expressway turns east along the border between [[Harrison, New York|Harrison]] to the north and White Plains to the south.<ref name=hagstrom/> Westchester Avenue becomes a [[frontage road]] for I-287 as the road passes corporate parks to the north and populated neighborhoods to the south.<ref name=gm/>

The road begins to turn southeast as it comes to a directional interchange with the southern terminus of [[Interstate 684|I-684]].<ref name=gm/><ref name=2008tdr/> The I-287 freeway heads south along the White Plains–Harrison border before turning east and fully entering Harrison, where there is a cloverleaf interchange with the [[Hutchinson River Parkway]].<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/> At this interchange, the Westchester Avenue frontage road serves as a [[collector–distributor road]]. The Cross Westchester Expressway turns southeast again past wooded areas of development, with [[New York State Route 120|NY&nbsp;120]] coming onto the Westchester Avenue frontage road.<ref name=gm/> I-287 reaches an interchange where the frontage road ends as Westchester Avenue heads east as [[New York State Route 120A|NY&nbsp;120A]] and NY&nbsp;120 continues to the south.<ref name=gm/><ref name=2008tdr/> Here, the freeway enters the village of [[Rye Brook, New York|Rye Brook]] in the town of [[Rye (town), New York|Rye]] as it continues southeast.<ref name=hagstrom/> The Cross Westchester Expressway comes into the village of [[Port Chester, New York|Port Chester]], where the road runs near more dense suburban development as it intersects [[U.S. Route 1 in New York|US&nbsp;1]].<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/> At this point, the road has ramp access to and from the southbound direction of the [[New England Thruway]] ([[Interstate 95 in New York|I-95]]).<ref name=gm/> From here, the mainline I-287 narrows to four lanes and enters the city of [[Rye, New York|Rye]], where it passes over the Northeast Corridor before merging into northbound I-95 about a half-mile ({{Convert|0.5|mi|km|disp=output only}}) west of the [[Connecticut]] state line.<ref name=gm/><ref name=2008tdr/><ref name=hagstrom/>