{
  "name": "West Islip, New York",
  "url": "https://longislandtraffic.com/towns/suffolk/west-islip/",
  "updated": "2026-09-17",
  "publisher": "Long Island Traffic (https://longislandtraffic.com)",
  "methodology": "https://longislandtraffic.com/towns/methodology/",
  "reuse": "Quote with credit and a link to the page URL above. Underlying federal and state datasets are public records.",
  "geography": {
    "slug": "west-islip",
    "county": "suffolk",
    "censusName": "West Islip CDP",
    "geoType": "census-designated place",
    "legalStatus": "hamlet (unincorporated)",
    "geoid": "3680302",
    "gnisId": "2390479",
    "pop2020": 27048,
    "housingUnits2020": 9021,
    "landSqMi": 6.09,
    "waterSqMi": 1.71,
    "densityPerSqMi": 4439,
    "internalPoint": [
      40.70286,
      -73.29553
    ],
    "parentTown": "Islip town",
    "parentTownGeoid": "3610338000",
    "townShares": [
      {
        "name": "Islip town",
        "share": 1
      }
    ]
  },
  "fatalCrashes2010to2024": {
    "period": "2010–2024",
    "crashes": 31,
    "deaths": 35,
    "pedestrianDeaths": 6,
    "bicyclistDeaths": 1,
    "motorcyclistDeaths": 4,
    "crashesWithDriverBac08": 3,
    "multiFatalityCrashes": 3,
    "onLimitedAccessHighways": {
      "crashes": 13,
      "deaths": 17
    },
    "deathsPer100kResidentsPerYear": 8.6,
    "byYear": [
      {
        "year": 2010,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2011,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2012,
        "crashes": 4,
        "deaths": 4
      },
      {
        "year": 2013,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2014,
        "crashes": 2,
        "deaths": 3
      },
      {
        "year": 2015,
        "crashes": 4,
        "deaths": 6
      },
      {
        "year": 2016,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2017,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2018,
        "crashes": 0,
        "deaths": 0
      },
      {
        "year": 2019,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2020,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2021,
        "crashes": 3,
        "deaths": 3
      },
      {
        "year": 2022,
        "crashes": 4,
        "deaths": 5
      },
      {
        "year": 2023,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2024,
        "crashes": 2,
        "deaths": 2
      }
    ],
    "byTimeOfDay": {
      "known": 31,
      "morning6to10": 3,
      "midday10to16": 6,
      "evening16to20": 4,
      "night20to6": 18
    },
    "darkShare": 0.645,
    "topRoads": [
      {
        "name": "Southern State Parkway",
        "slug": "southern-state-parkway",
        "crashes": 9,
        "deaths": 13
      },
      {
        "name": "Montauk Highway (NY 27A / CR 80 / CR 85)",
        "slug": "montauk-highway",
        "crashes": 5,
        "deaths": 5
      },
      {
        "name": "Robert Moses Causeway",
        "slug": "robert-moses-causeway",
        "crashes": 4,
        "deaths": 4
      },
      {
        "name": "Sunrise Highway (NY 27)",
        "slug": "sunrise-highway",
        "crashes": 4,
        "deaths": 4
      },
      {
        "name": "Union Blvd (CR 50)",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Deer Park Avenue (NY 231)",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Kimberly Pl",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Higby Lane",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      }
    ],
    "roadOwnership": {
      "period": "2015–2024",
      "crashes": 21,
      "owners": [
        {
          "owner": "State Highway Agency",
          "crashes": 14
        },
        {
          "owner": "Town or Township Highway Agency",
          "crashes": 5
        },
        {
          "owner": "County Highway Agency",
          "crashes": 1
        },
        {
          "owner": "City or Municipal Highway Agency",
          "crashes": 1
        }
      ]
    }
  },
  "allReportedCrashes": {
    "years": [
      "2021",
      "2022",
      "2023",
      "2024"
    ],
    "scope": "parent-town",
    "municipalityCode": "ISLIP",
    "label": "Town of Islip",
    "total": 35004,
    "fatal": 128,
    "injury": 10222,
    "propertyDamageOnly": 24654,
    "byYear": {
      "2021": 8654,
      "2022": 8292,
      "2023": 8881,
      "2024": 9177
    },
    "pedestrian": 422,
    "bicyclist": 335,
    "deer": 91,
    "otherAnimal": 177
  },
  "commute": {
    "workers16plus": 14923,
    "commutersNotWorkingFromHome": 12999,
    "meanTravelMinutes": {
      "value": 30.2,
      "moe": 3.9,
      "lowReliability": false
    },
    "pct60MinPlus": {
      "value": 13,
      "moe": 1.9,
      "lowReliability": false
    },
    "pct90MinPlus": {
      "value": 6.3,
      "moe": 1.7,
      "lowReliability": false
    },
    "pctUnder15Min": {
      "value": 22.4,
      "moe": 2.7,
      "lowReliability": false
    },
    "pctDroveAlone": {
      "value": 75.1,
      "moe": 2.4,
      "lowReliability": false
    },
    "pctCarpooled": {
      "value": 5.9,
      "moe": 1.8,
      "lowReliability": false
    },
    "pctPublicTransit": {
      "value": 4.7,
      "moe": 1.3,
      "lowReliability": false
    },
    "pctCommuterRail": {
      "value": 3.6,
      "moe": 1.2,
      "lowReliability": false
    },
    "pctBus": {
      "value": 0.2,
      "moe": 0.3,
      "lowReliability": true
    },
    "pctWalked": {
      "value": 0.1,
      "moe": 0.1,
      "lowReliability": true
    },
    "pctBicycle": {
      "value": 0.5,
      "moe": 0.5,
      "lowReliability": true
    },
    "pctWorkedFromHome": {
      "value": 12.9,
      "moe": 2.9,
      "lowReliability": false
    },
    "pctLeaveBefore6am": {
      "value": 12.5,
      "moe": 2.4,
      "lowReliability": false
    },
    "pctLeaveBefore7am": {
      "value": 29.5,
      "moe": 3.2,
      "lowReliability": false
    },
    "households": 8507,
    "pctNoVehicle": {
      "value": 1.9,
      "moe": 0.8,
      "lowReliability": false
    },
    "pctThreePlusVehicles": {
      "value": 34.5,
      "moe": 3.7,
      "lowReliability": false
    },
    "medianHouseholdIncome": {
      "value": 176281,
      "moe": 13483
    },
    "medianAge": {
      "value": 38.5,
      "moe": 1.9
    }
  },
  "benchmarks": {
    "county": {
      "workers16plus": 766432,
      "commutersNotWorkingFromHome": 674118,
      "meanTravelMinutes": {
        "value": 31.1,
        "moe": 0.4,
        "lowReliability": false
      },
      "pct60MinPlus": {
        "value": 14.1,
        "moe": 0.4,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 6.5,
        "moe": 0.3,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 22.8,
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      },
      "pctDroveAlone": {
        "value": 72.1,
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      },
      "pctCarpooled": {
        "value": 7.5,
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      },
      "pctPublicTransit": {
        "value": 4.8,
        "moe": 0.2,
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      },
      "pctCommuterRail": {
        "value": 3.2,
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      },
      "pctBus": {
        "value": 0.6,
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      },
      "pctWalked": {
        "value": 1.4,
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        "lowReliability": false
      },
      "pctBicycle": {
        "value": 0.2,
        "moe": 0,
        "lowReliability": false
      },
      "pctWorkedFromHome": {
        "value": 12,
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        "lowReliability": false
      },
      "pctLeaveBefore6am": {
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      "pctLeaveBefore7am": {
        "value": 30.2,
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      "households": 512565,
      "pctNoVehicle": {
        "value": 5.1,
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      },
      "pctThreePlusVehicles": {
        "value": 28.8,
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        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 130686,
        "moe": 1707
      },
      "medianAge": {
        "value": 41.7,
        "moe": 0.2
      }
    },
    "state": {
      "workers16plus": 9306567,
      "commutersNotWorkingFromHome": 7916632,
      "meanTravelMinutes": {
        "value": 32.6,
        "moe": 0.1,
        "lowReliability": false
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      "pct60MinPlus": {
        "value": 16.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 5.3,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 20.5,
        "moe": 0.2,
        "lowReliability": false
      },
      "pctDroveAlone": {
        "value": 48.8,
        "moe": 0.1,
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      },
      "pctCarpooled": {
        "value": 6.3,
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      },
      "pctPublicTransit": {
        "value": 21.6,
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        "lowReliability": false
      },
      "pctCommuterRail": {
        "value": 1.8,
        "moe": 0,
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      },
      "pctBus": {
        "value": 5.1,
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        "lowReliability": false
      },
      "pctWalked": {
        "value": 5.6,
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      },
      "pctBicycle": {
        "value": 0.8,
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      },
      "pctWorkedFromHome": {
        "value": 14.9,
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      "pctLeaveBefore6am": {
        "value": 10.6,
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        "lowReliability": false
      },
      "pctLeaveBefore7am": {
        "value": 26.3,
        "moe": 0.2,
        "lowReliability": false
      },
      "households": 7722646,
      "pctNoVehicle": {
        "value": 29.2,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctThreePlusVehicles": {
        "value": 11.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 85974,
        "moe": 402
      },
      "medianAge": {
        "value": 39.8,
        "moe": 0.1
      }
    },
    "nation": {
      "workers16plus": 159114094,
      "commutersNotWorkingFromHome": 135071605,
      "meanTravelMinutes": {
        "value": 26.4,
        "moe": 0,
        "lowReliability": false
      },
      "pct60MinPlus": {
        "value": 8.6,
        "moe": 0,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 2.7,
        "moe": 0,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 26,
        "moe": 0,
        "lowReliability": false
      },
      "pctDroveAlone": {
        "value": 68.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctCarpooled": {
        "value": 8.5,
        "moe": 0,
        "lowReliability": false
      },
      "pctPublicTransit": {
        "value": 3.2,
        "moe": 0,
        "lowReliability": false
      },
      "pctCommuterRail": {
        "value": 0.3,
        "moe": 0,
        "lowReliability": false
      },
      "pctBus": {
        "value": 1.5,
        "moe": 0,
        "lowReliability": false
      },
      "pctWalked": {
        "value": 2.4,
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      },
      "pctBicycle": {
        "value": 0.4,
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        "lowReliability": false
      },
      "pctWorkedFromHome": {
        "value": 15.1,
        "moe": 0,
        "lowReliability": false
      },
      "pctLeaveBefore6am": {
        "value": 14.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctLeaveBefore7am": {
        "value": 32.5,
        "moe": 0,
        "lowReliability": false
      },
      "households": 129227496,
      "pctNoVehicle": {
        "value": 8.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctThreePlusVehicles": {
        "value": 21.9,
        "moe": 0,
        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 80734,
        "moe": 166
      },
      "medianAge": {
        "value": 38.9,
        "moe": 0.1
      }
    }
  },
  "research": {
    "researchedAt": "2026-09-17",
    "identity": {
      "officialName": "West Islip",
      "placeType": "hamlet and census-designated place",
      "parentTown": "Town of Islip",
      "alsoIn": [],
      "formerNames": [],
      "nameOrigin": {
        "text": "The Town of Islip takes its name from Islip, England, the town William Nicoll emigrated from when he obtained the original 1683 patent; West Islip is the western part of that original patent area, which the Town of Islip's own history associates with early landowners Richard and Thomas Willets.",
        "src": [
          2,
          3
        ]
      },
      "founded": {
        "text": "No specific founding or settlement date is established for West Islip itself. The Town of Islip's own history dates the Town's founding to November 29, 1683, when William Nicoll obtained the original patent, and separately lists Richard and Thomas Willets among the early patentees associated with West Islip.",
        "src": [
          2,
          3
        ]
      },
      "incorporated": null,
      "gnisId": null,
      "wikidataId": null
    },
    "quickFacts": [
      {
        "label": "Legal status",
        "value": "Unincorporated hamlet of the Town of Islip, Suffolk County",
        "src": [
          1
        ]
      },
      {
        "label": "Hospital",
        "value": "Good Samaritan University Hospital, 1000 Montauk Highway — Level I adult trauma center, Level II pediatric trauma center",
        "src": [
          5,
          6
        ]
      },
      {
        "label": "Police",
        "value": "Suffolk County Police Department, Third Precinct (Bay Shore)",
        "src": [
          12
        ]
      },
      {
        "label": "Main state roads",
        "value": "Montauk Highway (NY 27A) and Sunrise Highway (NY 27)",
        "src": [
          7,
          8
        ]
      },
      {
        "label": "Prior written notice law",
        "value": "Code of the Town of Islip § 47A-3, \"Liability of Town,\" adopted 1972",
        "src": [
          11
        ]
      },
      {
        "label": "Early patentees",
        "value": "Richard and Thomas Willets, among the Town of Islip's 1683-era land patentees",
        "src": [
          3
        ]
      }
    ],
    "timeline": [
      {
        "date": "1683-11-29",
        "label": "Nicoll patent",
        "text": "William Nicoll became the first English patentee of the Islip area, purchasing land from Sachem Winnequaheagh of Connetquot.",
        "src": [
          2
        ]
      },
      {
        "date": "1683",
        "label": "West Islip's early patentees",
        "text": "The Town of Islip's history lists Richard and Thomas Willets among the early land patentees associated with West Islip.",
        "src": [
          3
        ]
      },
      {
        "date": "1710",
        "label": "Precinct of Islip established",
        "text": "The precinct, or district, of Islip was established; the first elections for supervisor, constable, collector and two assessors followed in 1720.",
        "src": [
          4
        ]
      },
      {
        "date": "1829",
        "label": "Higbie Lane shown as \"Love Lane\"",
        "text": "An 1829 map, repeated on an 1888 map, shows Higbie Lane under an earlier name, \"Love Lane.\"",
        "src": [
          14
        ]
      },
      {
        "date": "1956",
        "label": "Bank of Babylon opens",
        "text": "Local newspapers announced the opening of the new \"Bank of Babylon.\"",
        "src": [
          17
        ]
      },
      {
        "date": "1958",
        "label": "West Islip High School's first graduating class",
        "text": "West Islip High School's yearbook, \"Fore 'N Aft,\" dates to the school's first graduating class.",
        "src": [
          16
        ]
      },
      {
        "date": "1964-06-13",
        "label": "Fire Island Inlet Bridge dedicated",
        "text": "Robert Moses dedicated the Fire Island Inlet Bridge, the causeway's southern span to Robert Moses State Park, at a reported cost of $13.5 million.",
        "src": [
          18
        ]
      },
      {
        "date": "1972-01-11",
        "label": "Board of Education v. West Islip Teachers Ass'n",
        "text": "Suffolk County Supreme Court decided a proceeding to stay arbitration in a West Islip teachers' collective-bargaining dispute.",
        "src": [
          19
        ]
      },
      {
        "date": "1993-12-16",
        "label": "Teachers' Retirement System case decided",
        "text": "The Appellate Division, Third Department, rejected the West Islip school board's constitutional challenge to Laws of 1990, ch. 175, § 1.",
        "src": [
          20
        ]
      }
    ],
    "sections": [
      {
        "id": "history",
        "heading": "History",
        "paragraphs": [
          "Before European settlement, the Town of Islip's own history places the principal village of the Secatogue people at West Islip, with other Secatogue villages at Bay Shore and Oakdale.[1] William Nicoll became the first English patentee of the wider area on November 29, 1683, purchasing land from Sachem Winnequaheagh of Connetquot and naming his 50,000-acre plantation Islip Grange after the English town he had emigrated from.[2] The Town's history separately credits Richard and Thomas Willets among the early land patentees associated with West Islip itself, alongside other patentees at Islip, Bay Shore and Sagtikos Manor.[3] The precinct of Islip was formally established in 1710, with the first elections for supervisor, constable, collector and two assessors held in 1720.[4]",
          "West Islip's twentieth-century suburban growth left its own documentary trail. Local newspapers announced the opening of the new \"Bank of Babylon\" in 1956, and West Islip High School's yearbook, \"Fore 'N Aft,\" dates to the school's first graduating class in 1958, according to the West Islip Historical Society.[17][16] West Islip's Weeks-Muncy Cemetery on Boulevard Avenue holds the grave of Revolutionary War soldier David Ruland, on which flags are placed every Memorial Day.[15]"
        ]
      },
      {
        "id": "roads",
        "heading": "How the roads got here",
        "paragraphs": [
          "Two state touring routes run through West Islip. New York State Route 27A, Montauk Highway, appears in the New York State Department of Transportation's official touring-route description running \"on Carman Mill Road, Merrick Road and Montauk Highway to Babylon, Bay Shore, Islip, East Islip, Great River\"; Good Samaritan University Hospital's own street address, 1000 Montauk Highway, West Islip, confirms the route runs directly through the hamlet.[7][6] New York State Route 27, Sunrise Highway, runs along West Islip's northern edge; the same NYSDOT inventory describes the route continuing \"on Sunrise Highway to Valley Stream, Lynbrook, Rockville Centre, Freeport, Massapequa Park, North Babylon, Great River, North Patchogue\" further east.[8]",
          "The Robert Moses Causeway, the state-designated Route 908J, is described in the same NYSDOT inventory simply as \"Robert Moses Causeway – Suffolk County,\" running near West Islip's shoreline toward Captree Island, Robert Moses State Park and Fire Island.[9] Its southernmost span, the Fire Island Inlet Bridge, was dedicated by Robert Moses on June 13, 1964; The New York Times, reporting the next day, described the dedication of a \"$13.5 million Fire Island Inlet bridge and a beach named in his honor.\"[18]",
          "Higbie Lane, one of the hamlet's principal local roads, appears on nineteenth-century maps under a different name: the West Islip Historical Society notes that \"Higbie Lane used to be called 'Love Lane'\" on an 1829 map and again on an 1888 map.[14]"
        ]
      },
      {
        "id": "law",
        "heading": "Law and legal history",
        "paragraphs": [
          "Like other hamlets of the Town of Islip, West Islip is covered by the Town's own prior-written-notice statute. Chapter 47A, § 47A-3 of the Code of the Town of Islip, \"Liability of Town,\" adopted June 8, 1972 and amended in 1984 and 1985, bars a civil action against the Town over a defective highway, street, bridge or sidewalk \"unless written notice of such defective, out of repair, unsafe, dangerous or obstructed condition\" was given to the Town Clerk or the Commissioner of Public Works, followed by a failure to repair within a reasonable time.[11]",
          "Suffolk County courts have decided several published cases naming West Islip institutions. In Board of Education v. West Islip Teachers Association, decided January 11, 1972, Suffolk County Supreme Court considered the school board's petition to stay arbitration after a new teachers' salary schedule, made \"effective as of September 1, 1971,\" collided with a federal wage-freeze order of that August.[19] In Board of Education of West Islip Union Free School District v. New York State Teachers' Retirement System, decided December 16, 1993, the Appellate Division, Third Department, rejected the school board's argument that Laws of 1990, chapter 175, section 1, was unconstitutional, affirming dismissal of the board's complaint.[20]"
        ]
      },
      {
        "id": "government",
        "heading": "Government, courts and policing",
        "paragraphs": [
          "West Islip has no government of its own; it is an unincorporated hamlet of the Town of Islip. Its school board's full legal name, \"Union Free School District No. 9, Town of Islip,\" appears in the official caption of the 1972 arbitration case.[19] The Suffolk County Police Department's Third Precinct, based in Bay Shore, lists West Islip among the hamlets it patrols, describing service \"in the hamlets of Bay Shore, Baywood, Brentwood, Brightwaters, Islip, Central Islip, East Islip, West Islip, and Islip Terrace.\"[12] The precinct's commanding officer is listed at 1630 5th Ave, Bay Shore, NY 11706.[13]",
          "Road ownership in West Islip follows the state/local pattern common to Long Island hamlets: Montauk Highway and Sunrise Highway are New York State touring routes (27A and 27, respectively), while Higbie Lane carries no state or county route designation.[7][8][14]"
        ]
      }
    ],
    "legalCases": [
      {
        "name": "Board of Education v. West Islip Teachers Ass'n",
        "citation": "68 Misc. 2d 830, 328 N.Y.S.2d 266 (Sup. Ct., Suffolk County 1972)",
        "court": "New York Supreme Court, Suffolk County",
        "year": 1972,
        "connection": "Proceeding by the Board of Education, Union Free School District No. 9, Town of Islip (West Islip) to stay arbitration demanded by the West Islip Teachers Association.",
        "holding": "The court addressed whether arbitration should be stayed over a dispute arising when a negotiated salary schedule effective September 1, 1971 collided with a federal wage-freeze order imposed that August.",
        "src": [
          19
        ]
      },
      {
        "name": "Board of Education of West Islip Union Free School District v. New York State Teachers' Retirement System",
        "citation": "199 A.D.2d 760, 605 N.Y.S.2d 432 (3d Dept. 1993)",
        "court": "New York Supreme Court, Appellate Division, Third Department",
        "year": 1993,
        "connection": "Appeal by the West Islip school board after Albany County Supreme Court rejected its challenge to a 1990 state law affecting the Teachers' Retirement System.",
        "holding": "Affirmed dismissal of the board's declaratory-judgment action, rejecting its argument that Laws of 1990, chapter 175, section 1, was unconstitutional.",
        "src": [
          20
        ]
      }
    ],
    "landmarks": [
      {
        "name": "Weeks-Muncy Cemetery, Boulevard Avenue, West Islip",
        "designation": "No state or national register listing verified; burial site of Revolutionary War soldier David Ruland",
        "src": [
          15
        ]
      }
    ],
    "notableFacts": [
      {
        "text": "The Town of Islip's own history places the principal pre-contact Secatogue village at West Islip, with other Secatogue villages at Bay Shore and Oakdale.",
        "src": [
          1
        ]
      },
      {
        "text": "Richard and Thomas Willets were among the earliest, 1683-era land patentees the Town of Islip associates with West Islip.",
        "src": [
          3
        ]
      },
      {
        "text": "Higbie Lane, one of West Islip's main local roads, was labeled \"Love Lane\" on maps from 1829 and 1888.",
        "src": [
          14
        ]
      },
      {
        "text": "Good Samaritan University Hospital in West Islip is a verified Level I trauma center for adults and Level II trauma center for children under the New York State Department of Health's trauma-center list.",
        "src": [
          5
        ]
      },
      {
        "text": "Robert Moses personally dedicated the Fire Island Inlet Bridge, the Robert Moses Causeway's southern span, on June 13, 1964, at a reported cost of $13.5 million.",
        "src": [
          18
        ]
      },
      {
        "text": "Revolutionary War soldier David Ruland is buried in West Islip's Weeks-Muncy Cemetery on Boulevard Avenue, where flags are placed on his grave every Memorial Day.",
        "src": [
          15
        ]
      },
      {
        "text": "West Islip High School's yearbook archive goes back to its first graduating class in 1958.",
        "src": [
          16
        ]
      },
      {
        "text": "The Suffolk County Police Department's Third Precinct, headquartered in Bay Shore, lists West Islip as one of the hamlets it patrols.",
        "src": [
          12
        ]
      }
    ],
    "sources": [
      {
        "id": 1,
        "title": "Explore Islip History",
        "publisher": "Town of Islip",
        "url": "http://islipny.gov/community-and-services/explore-islip-history",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 2,
        "title": "Explore Islip History",
        "publisher": "Town of Islip",
        "url": "http://islipny.gov/community-and-services/explore-islip-history",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 3,
        "title": "Explore Islip History",
        "publisher": "Town of Islip",
        "url": "http://islipny.gov/community-and-services/explore-islip-history",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 4,
        "title": "Explore Islip History",
        "publisher": "Town of Islip",
        "url": "http://islipny.gov/community-and-services/explore-islip-history",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 5,
        "title": "New York State Trauma Centers",
        "publisher": "New York State Department of Health",
        "url": "https://www.health.ny.gov/professionals/ems/state_trauma/trauma2.htm",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 6,
        "title": "Good Samaritan University Hospital",
        "publisher": "Catholic Health",
        "url": "https://www.catholichealthli.org/good-samaritan-university-hospital",
        "year": "2026",
        "type": "institution"
      },
      {
        "id": 7,
        "title": "Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 27A entry)",
        "publisher": "New York State Department of Transportation, Office of Traffic Safety & Mobility",
        "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf",
        "year": "2017",
        "type": "government"
      },
      {
        "id": 8,
        "title": "Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 27 entry)",
        "publisher": "New York State Department of Transportation, Office of Traffic Safety & Mobility",
        "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf",
        "year": "2017",
        "type": "government"
      },
      {
        "id": 9,
        "title": "Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 908J entry)",
        "publisher": "New York State Department of Transportation, Office of Traffic Safety & Mobility",
        "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf",
        "year": "2017",
        "type": "government"
      },
      {
        "id": 11,
        "title": "Code of the Town of Islip, Chapter 47A, Streets and Sidewalks, § 47A-3, Liability of Town",
        "publisher": "Town of Islip (hosted on eCode360)",
        "url": "https://ecode360.com/6509602",
        "year": "n.d.",
        "type": "government"
      },
      {
        "id": 12,
        "title": "Third Precinct",
        "publisher": "Suffolk County Police Department",
        "url": "https://suffolkpd.org/Precincts-and-Specialized-Units/Precincts/Third-Precinct",
        "year": "2026",
        "type": "government"
      },
      {
        "id": 13,
        "title": "Contact Us",
        "publisher": "Suffolk County Police Department",
        "url": "https://suffolkpd.org/Contact-Us",
        "year": "2026",
        "type": "government"
      },
      {
        "id": 14,
        "title": "Community History",
        "publisher": "West Islip Historical Society",
        "url": "https://www.westisliphistoricalsociety.org/index.php/archives/community-history",
        "year": "2026",
        "type": "historical-society"
      },
      {
        "id": 15,
        "title": "Community History",
        "publisher": "West Islip Historical Society",
        "url": "https://www.westisliphistoricalsociety.org/index.php/archives/community-history",
        "year": "2026",
        "type": "historical-society"
      },
      {
        "id": 16,
        "title": "Community History",
        "publisher": "West Islip Historical Society",
        "url": "https://www.westisliphistoricalsociety.org/index.php/archives/community-history",
        "year": "2026",
        "type": "historical-society"
      },
      {
        "id": 17,
        "title": "Community History",
        "publisher": "West Islip Historical Society",
        "url": "https://www.westisliphistoricalsociety.org/index.php/archives/community-history",
        "year": "2026",
        "type": "historical-society"
      },
      {
        "id": 18,
        "title": "New L.I. Bridge Opened by Moses; He Defends His Fire Island Project at Dedication",
        "publisher": "The New York Times",
        "url": "https://www.nytimes.com/1964/06/14/archives/new-li-bridge-opened-by-moses-he-defends-his-fire-island-project-at.html",
        "year": "1964",
        "type": "newspaper"
      },
      {
        "id": 19,
        "title": "Board of Education v. West Islip Teachers Ass'n, 68 Misc. 2d 830 (Sup. Ct., Suffolk County, Jan. 11, 1972)",
        "publisher": "CourtListener (Free Law Project)",
        "url": "https://static.case.law/misc2d/68/html/0830-01.html",
        "year": "1972",
        "type": "court"
      },
      {
        "id": 20,
        "title": "Board of Education of West Islip Union Free School District v. New York State Teachers' Retirement System, 199 A.D.2d 760 (3d Dept. 1993)",
        "publisher": "CourtListener (Free Law Project)",
        "url": "https://static.case.law/ad2d/199/html/0760-01.html",
        "year": "1993",
        "type": "court"
      }
    ]
  },
  "dataSources": {
    "census2020": {
      "name": "U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND)",
      "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Census2020/MapServer",
      "retrieved": "2026-09-17"
    },
    "acs": {
      "name": "U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/",
      "period": "2020–2024",
      "retrieved": "2026-09-17",
      "note": "Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%."
    },
    "fars": {
      "name": "National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files",
      "url": "https://www.nhtsa.gov/file-downloads?p=nhtsa/downloads/FARS/",
      "retrieved": "2026-09-17",
      "preliminaryYears": [
        2024
      ],
      "note": "Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries."
    },
    "nys": {
      "name": "New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window",
      "url": "https://data.ny.gov/Transportation/Motor-Vehicle-Crashes-Case-Information-Four-Year-W/e8ky-4vqe",
      "period": "2021–2024",
      "retrieved": "2026-09-17",
      "note": "Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town."
    }
  }
}