West Islip, NY — Crash Data, Roads, History & Law
West Islip is an unincorporated hamlet in the Town of Islip, Suffolk County, New York, with 27,048 residents at the 2020 Census. Federal crash records show 31 fatal crashes that killed 35 people within its boundaries from 2010 through 2024 — 6 of them on foot. Southern State Parkway accounted for more of those deaths (13) than any other road. Residents who commute travel an average of 30.2 minutes each way.
Long Island Town Fact Book · Updated · Sources & method
West Islip at a glance
- Status
- Hamlet (unincorporated; census-designated place)
- Town
- Islip
- County
- Suffolk County
- Population (2020 Census)
- 27,048[C]
- Housing units (2020)
- 9,021
- Land area
- 6.09 sq mi (plus 1.71 sq mi of water)
- Density
- 4,439 people per sq mi
- Average commute
- 30.2 minutes[B]
- Traffic deaths, 2010–2024
- 35[A]
- ZIP Code
- 11795
- Founded / settled
- 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.[2][3]
- Legal status
- Unincorporated hamlet of the Town of Islip, Suffolk County[1]
- Hospital
- Good Samaritan University Hospital, 1000 Montauk Highway — Level I adult trauma center, Level II pediatric trauma center[5][6]
- Police
- Suffolk County Police Department, Third Precinct (Bay Shore)[12]
- Prior written notice law
- Code of the Town of Islip § 47A-3, "Liability of Town," adopted 1972[11]
- Early patentees
- Richard and Thomas Willets, among the Town of Islip's 1683-era land patentees[3]
- Census geography
- West Islip CDP · GEOID 3680302 · GNIS 2390479
- Coordinates
- 40.7029°N, 73.2955°W
Hamlets in New York have no legal boundary or government of their own. Figures here use the Census Bureau's census-designated place, the standard statistical outline for the community; local usage of the name can be wider or narrower.
Name: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.[2][3]
Fatal crashes in West Islip, 2010–2024
From January 1, 2010 through December 31, 2024, 35 people died in 31 crashes on public roads inside West Islip, according to the federal Fatality Analysis Reporting System.[A] Pedestrians account for 6 of those deaths (17%). The deadliest year was 2015, with 6 deaths.
- Fatal crashes
- 31
- People killed
- 35
- Pedestrians
- 6
- Bicyclists
- 1
- Motorcyclists
- 4
- Vehicle occupants
- 24
2024 figures come from NHTSA's Annual Report File and may be revised.
View the chart as a table
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 4 | 4 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 4 | 6 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 3 | 3 |
| 2022 | 4 | 5 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
Roads where people died
| Road | Crashes | Deaths |
|---|---|---|
| Southern State Parkway | 9 | 13 |
| Montauk Highway (NY 27A / CR 80 / CR 85) | 5 | 5 |
| Robert Moses Causeway | 4 | 4 |
| Sunrise Highway (NY 27) | 4 | 4 |
| Union Blvd (CR 50) | 1 | 1 |
| Deer Park Avenue (NY 231) | 1 | 1 |
| Kimberly Pl | 1 | 1 |
| Higby Lane | 1 | 1 |
Road names as recorded by police and normalised to common Long Island names.
When and where
- Of the 31 crashes with a recorded time, 18 happened between 8 p.m. and 6 a.m., 4 between 4 and 8 p.m., 6 between 10 a.m. and 4 p.m., and 3 between 6 and 10 a.m.
- 65% happened in darkness.
- 17 of the 35 deaths were on expressways or parkways; 18 were on arterials and local streets.
- 3 crashes killed more than one person.
- In at least 3 crashes, a driver had a reported blood-alcohol concentration of .08 or higher. This counts known test results only; NHTSA's official alcohol estimates, which impute untested drivers, are higher.
Who owns the roads where they happened (2015–2024)
FARS has recorded the owner of the roadway since 2015. Of the 21 fatal crashes in West Islip since then:
- State highways 14 (67%)
- Town roads 5 (24%)
- County roads 1 (5%)
- City or village streets 1 (5%)
Ownership matters in New York because claims against a county, town, city or village generally require a notice of claim within 90 days (General Municipal Law § 50-e), while claims against the State are brought in the Court of Claims under Court of Claims Act § 10. This is general information, not legal advice.
Rate: 8.6 traffic deaths per 100,000 residents per year, against 9.1 for Suffolk County. This is a resident-based rate, not a measure of how risky the roads are to drive: crashes are counted where they happen, not where the people involved live, so a small community crossed by a major highway shows a high rate.
The 15 most recent fatal crashes
| Date | Time | Road | Deaths | Who died | Light |
|---|---|---|---|---|---|
| * | 2 a.m. | Union Blvd (CR 50) | 1 | Vehicle occupant | dark |
| * | 2 p.m. | Southern State Parkway | 1 | Vehicle occupant | daylight |
| 1 p.m. | Robert Moses Causeway | 1 | Vehicle occupant | daylight | |
| 6 p.m. | Robert Moses Causeway | 1 | Motorcyclist | daylight | |
| 4 a.m. | Southern State Parkway | 1 | Vehicle occupant | dark | |
| 5 a.m. | Montauk Highway (NY 27A / CR 80 / CR 85) | 1 | Pedestrian | dark | |
| 1 a.m. | Southern State Parkway | 2 | 2 vehicle occupants | dark | |
| 10 p.m. | Montauk Highway (NY 27A / CR 80 / CR 85) at Pease Ln | 1 | Pedestrian | dark | |
| 8 p.m. | Sunrise Highway (NY 27) | 1 | Vehicle occupant | dark | |
| 8 p.m. | Sunrise Highway (NY 27) | 1 | Vehicle occupant | dark | |
| 12 a.m. | Southern State Parkway | 1 | Vehicle occupant | dark | |
| 7 p.m. | Robert Moses Causeway | 1 | Vehicle occupant | daylight | |
| 3 p.m. | Robert Moses Causeway | 1 | Motorcyclist | daylight | |
| 8 p.m. | Deer Park Avenue (NY 231) | 1 | Vehicle occupant | dark | |
| 8 a.m. | Kimberly Pl | 1 | Pedestrian | daylight |
FARS contains no names or personal identifiers. * 2024 records are preliminary. Download all 31 records (CSV) · How this was compiled
Recent West Islip Incident Reports
Trever Lauriano of West Islip Arrested for Sexually Abusing 15-Year-Old Patient at Good Samaritan University Hospital
Toyota Sedan Rolls Over Guardrail, Lands on Roof in Center Median of Southern State Parkway Near Exit 41A in West Islip
Man, 27, Killed on Robert Moses Causeway After Being Struck by Stephen Aylward of West Islip
Man, 27, Killed on Robert Moses Causeway After Being Struck by Stephen Aylward of West Islip. June 29, 2026.
Stephen M. Aylward, 63, of West Islip Arrested After Fatal Crash on Robert Moses Causeway
Stephen M. Aylward, 63, of West Islip Arrested After Fatal Crash on Robert Moses Causeway. June 26, 2026.
West Islip Dad Demands Felony Charges After SUV Drags Son's Bike in Hit-and-Run on Roderick Road
Deer Park Man, 67, Arrested After Hitting 13-Year-Old Cyclist and Fleeing in West Islip
Updated continuously from 511NY, NYSP, NCPD, and SCPD feeds — all Long Island reports.
All reported crashes in the Town of Islip, 2021–2024
New York's crash file codes each crash to a town, city or village — never to a hamlet — so the finest official count that covers West Islip is for the Town of Islip, which contains it. Police reported 35,004 crashes there from 2021 through 2024 — about 24 a day. 10,222 (29.2%) injured someone and 128 were fatal. [D]
| 2021 | 2022 | 2023 | 2024 | Total |
|---|---|---|---|---|
| 8,654 | 8,292 | 8,881 | 9,177 | 35,004 |
- Injury crashes
- 10,222
- Fatal crashes
- 128
- Struck a pedestrian
- 422
- Struck a bicyclist
- 335
- Struck a deer
- 91
Counts are crashes, not people. The municipality is entered by the reporting police agency, and coding is less consistent for small villages, so compare places with care.
How West Islip gets to work
West Islip commuters travel an average of 30.2 minutes each way, 0.9 minutes shorter than the Suffolk County average (the national average is 26.4 minutes). About 75.1% of workers drive alone, and 3.6% ride the railroad. [B]
| Measure | West Islip | Suffolk County | New York State | United States |
|---|---|---|---|---|
| Average one-way commute | 30.2 min ±3.9 | 31.1 min | 32.6 min | 26.4 min |
| Commute 60 minutes or longer | 13% ±1.9 | 14.1% | 16.8% | 8.6% |
| Commute under 15 minutes | 22.4% ±2.7 | 22.8% | 20.5% | 26% |
| Drive alone | 75.1% ±2.4 | 72.1% | 48.8% | 68.8% |
| Carpool | 5.9% ±1.8 | 7.5% | 6.3% | 8.5% |
| Commuter rail (LIRR) | 3.6% ±1.2 | 3.2% | 1.8% | 0.3% |
| Bus | 0.2% ±0.3 † | 0.6% | 5.1% | 1.5% |
| Walk | 0.1% ±0.1 † | 1.4% | 5.6% | 2.4% |
| Work from home | 12.9% ±2.9 | 12% | 14.9% | 15.1% |
| Leave home before 6 a.m. | 12.5% ±2.4 | 12% | 10.6% | 14.4% |
| Households with no vehicle | 1.9% ±0.8 | 5.1% | 29.2% | 8.4% |
| Households with three or more vehicles | 34.5% ±3.7 | 28.8% | 11.8% | 21.9% |
Survey estimates for 14,923 workers aged 16 and over; ± values are 90% margins of error. † Small sample — the margin of error is large relative to the estimate, so treat the figure as indicative only. Travel-time rows exclude people who work from home.
Notable facts about West Islip
- 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.[1]
- Richard and Thomas Willets were among the earliest, 1683-era land patentees the Town of Islip associates with West Islip.[3]
- Higbie Lane, one of West Islip's main local roads, was labeled "Love Lane" on maps from 1829 and 1888.[14]
- 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.[5]
- 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.[18]
- 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.[15]
- West Islip High School's yearbook archive goes back to its first graduating class in 1958.[16]
- The Suffolk County Police Department's Third Precinct, headquartered in Bay Shore, lists West Islip as one of the hamlets it patrols.[12]
History
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]
How the roads got here
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]
Law and legal history
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]
Cases of record
- Board of Education v. West Islip Teachers Ass'n, 68 Misc. 2d 830, 328 N.Y.S.2d 266 (Sup. Ct., Suffolk County 1972)[19]
- New York Supreme Court, Suffolk County, 1972. 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.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.
- Board of Education of West Islip Union Free School District v. New York State Teachers' Retirement System, 199 A.D.2d 760, 605 N.Y.S.2d 432 (3d Dept. 1993)[20]
- New York Supreme Court, Appellate Division, Third Department, 1993. 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.Affirmed dismissal of the board's declaratory-judgment action, rejecting its argument that Laws of 1990, chapter 175, section 1, was unconstitutional.
Each summary describes the cited decision only. Later appellate history is noted where we found it, but it has not been checked systematically — confirm a case's current status with a citator before relying on it. General information, not legal advice.
Government, courts and policing
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]
Landmarks and listed places
- Weeks-Muncy Cemetery, Boulevard Avenue, West Islip — No state or national register listing verified; burial site of Revolutionary War soldier David Ruland[15]
West Islip timeline
- West Islip's early patentees. The Town of Islip's history lists Richard and Thomas Willets among the early land patentees associated with West Islip.[3]
- Nicoll patent. William Nicoll became the first English patentee of the Islip area, purchasing land from Sachem Winnequaheagh of Connetquot.[2]
- Precinct of Islip established. The precinct, or district, of Islip was established; the first elections for supervisor, constable, collector and two assessors followed in 1720.[4]
- Higbie Lane shown as "Love Lane". An 1829 map, repeated on an 1888 map, shows Higbie Lane under an earlier name, "Love Lane."[14]
- Bank of Babylon opens. Local newspapers announced the opening of the new "Bank of Babylon."[17]
- West Islip High School's first graduating class. West Islip High School's yearbook, "Fore 'N Aft," dates to the school's first graduating class.[16]
- Fire Island Inlet Bridge dedicated. 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.[18]
- Board of Education v. West Islip Teachers Ass'n. Suffolk County Supreme Court decided a proceeding to stay arbitration in a West Islip teachers' collective-bargaining dispute.[19]
- Teachers' Retirement System case decided. The Appellate Division, Third Department, rejected the West Islip school board's constitutional challenge to Laws of 1990, ch. 175, § 1.[20]
Major roads in West Islip
| Road | Route | Maintained by | In West Islip |
|---|---|---|---|
| Montauk Highway [7][6] | NY 27A | New York State | runs through |
| Sunrise Highway [8] | NY 27 | New York State | runs along the northern edge |
| Higbie Lane [14] | — | — | runs through |
Emergency Resources
Hospitals
- Good Samaritan University Hospital — 1000 Montauk Highway, West Islip, NY 11795 — 631-376-3000 (Level I adult trauma center and Level II pediatric trauma center per the New York State Department of Health; the hospital describes itself as the first verified Level I adult and only verified Level II pediatric trauma center on Long Island's South Shore.)
Police
- Suffolk County Police Department, Third Precinct — 1630 5th Ave, Bay Shore, NY 11706 (Town/hamlet police agency that patrols West Islip along with Bay Shore, Baywood, Brentwood, Brightwaters, Islip, Central Islip, East Islip and Islip Terrace. Emergencies: 911.)
Local Driver Services in West Islip
Practical resources for West Islip drivers — tire shops, gas prices, and live traffic conditions.
Safety Resources
Frequently Asked Questions
What should I do after a car accident in West Islip, NY?
Move to safety and call 911 immediately, then document the scene with photos and exchange insurance and contact information with everyone involved. File a police report with SCPD and notify your insurer promptly. New York is a no-fault state, so your own PIP coverage pays initial medical costs regardless of fault, and you have just 30 days to file the NF-2 application.
Which roads are most dangerous in West Islip?
Montauk Highway and Sunrise Highway carry the heaviest traffic through West Islip and account for most of the reported crashes we track. Montauk Highway through West Islip, with dense commercial driveways near Good Samaritan Hospital. Commercial driveways, signalized intersections, and turning movements along these corridors drive the local crash mix.
How current are these West Islip accident reports?
Long Island Traffic adds new reports every 2–4 hours from 511NY, NYS Police Troop L, SCPD, and verified local news. Scroll up for the latest West Islip and Suffolk County incidents, and check the "Dangerous Roads" section for corridor-level breakdowns.
Do I need a lawyer after a West Islip accident?
If you suffered serious injuries, significant property damage, or the other driver was uninsured, consulting a Suffolk County personal injury attorney is strongly recommended. Many firms offer free consultations and work on contingency. See our free guides at /know-your-rights/car-accidents/ and /know-your-rights/insurance-claims/.
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Data: machine-readable fact sheet (JSON) · fatal-crash records (CSV) · methodology and limits
References
Datasets
- [A] National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files. Retrieved September 17, 2026.Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries.
- [B] U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002. Retrieved September 17, 2026.Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%.
- [C] U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND). Retrieved September 17, 2026.
- [D] New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window. Retrieved September 17, 2026.Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town.
Sources for history, roads and law
- [1] Town of Islip. Explore Islip History (n.d.). Government record.
- [2] Town of Islip. Explore Islip History (n.d.). Government record.
- [3] Town of Islip. Explore Islip History (n.d.). Government record.
- [4] Town of Islip. Explore Islip History (n.d.). Government record.
- [5] New York State Department of Health. New York State Trauma Centers (n.d.). Government record.
- [6] Catholic Health. Good Samaritan University Hospital (2026). Institution.
- [7] New York State Department of Transportation, Office of Traffic Safety & Mobility. Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 27A entry) (2017). Government record.
- [8] New York State Department of Transportation, Office of Traffic Safety & Mobility. Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 27 entry) (2017). Government record.
- [9] New York State Department of Transportation, Office of Traffic Safety & Mobility. Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State (NY 908J entry) (2017). Government record.
- [11] Town of Islip (hosted on eCode360). Code of the Town of Islip, Chapter 47A, Streets and Sidewalks, § 47A-3, Liability of Town (n.d.). Government record.
- [12] Suffolk County Police Department. Third Precinct (2026). Government record.
- [13] Suffolk County Police Department. Contact Us (2026). Government record.
- [14] West Islip Historical Society. Community History (2026). Historical society.
- [15] West Islip Historical Society. Community History (2026). Historical society.
- [16] West Islip Historical Society. Community History (2026). Historical society.
- [17] West Islip Historical Society. Community History (2026). Historical society.
- [18] The New York Times. New L.I. Bridge Opened by Moses; He Defends His Fire Island Project at Dedication (1964). News report.
- [19] CourtListener (Free Law Project). Board of Education v. West Islip Teachers Ass'n, 68 Misc. 2d 830 (Sup. Ct., Suffolk County, Jan. 11, 1972) (1972). Court decision.
- [20] CourtListener (Free Law Project). 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) (1993). Court decision.
Sources opened and checked September 17, 2026.