Editing Interstate 287 (section)

====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/>