Fatal crashes in Nassau County, New York
In 2024, 65 people died in 63 fatal crashes in Nassau County, 1.5% fewer than in 2023. From 2015 to 2024 the county recorded 726 fatal crashes and 771 deaths, the 2nd most of any county in New York.
4.7 deaths per 100,000 residents, against 5.5 across New York in 2024; 5.6 against 5.4 a year over 2015 to 2024. Population 1,392,438, Census Bureau estimate. All fatal crashes in New York.
Deaths in Nassau County by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 63 | 65 |
| 2023 | 60 | 66 |
| 2022 | 76 | 81 |
| 2021 | 80 | 83 |
| 2020 | 72 | 78 |
| 2019 | 67 | 73 |
| 2018 | 68 | 71 |
| 2017 | 74 | 79 |
| 2016 | 74 | 80 |
| 2015 | 92 | 95 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
The deadliest roads in Nassau County
State Highway 908M had the most fatal crashes of any numbered road in Nassau County from 2015 to 2024: 50, with 57 deaths. The 15 roads listed held 39% of all fatal crashes in Nassau County from 2015 to 2024; 1 is an interstate, 14 state highways. Interstate, US and state routes with 5 or more fatal crashes in the county; county roads and city streets are in the county's total but not listed.
| Road | Fatal crashes | Deaths | 2022 to 2024 | ||
|---|---|---|---|---|---|
| 1 | State Highway 908M | 50 | 57 | 16 | |
| 2 | State Highway 27 | 40 | 43 | 8 | |
| 3 | State Highway 24 | 37 | 38 | 12 | |
| 4 | State Highway 908E | 23 | 26 | 6 | no page |
| 5 | State Highway 908G | 21 | 27 | 4 | no page |
| 6 | I-495 | 21 | 24 | 8 | |
| 7 | State Highway 908T | 19 | 21 | 7 | no page |
| 8 | State Highway 25 | 15 | 17 | 4 | |
| 9 | State Highway 107 | 15 | 15 | 6 | no page |
| 10 | State Highway 25A | 10 | 11 | 5 | |
| 11 | State Highway 135 | 9 | 9 | 2 | no page |
| 12 | State Highway 102 | 8 | 8 | 5 | no page |
| 13 | State Highway 106 | 6 | 7 | 1 | no page |
| 14 | State Highway 105 | 5 | 6 | 1 | no page |
| 15 | State Highway 878 | 5 | 6 | 0 | no page |
Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Hempstead 294, Oyster Bay 119, New Hyde Park 65, Freeport 13, Valley Stream 10, Old Westbury 9, Rockville Centre 9, Lynbrook 9. The city is not filed for crashes outside a city.
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen in Nassau County
The heaviest slot is Saturday, 8 pm to midnight, with 40 fatal crashes from 2015 to 2024. The worst hour is 8 pm to 9 pm; the worst month is November.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 3.2 percent, 23 fatal crashes | 2.3 percent, 17 fatal crashes | 1.9 percent, 14 fatal crashes | 2.6 percent, 19 fatal crashes | 3.0 percent, 22 fatal crashes | 2.6 percent, 19 fatal crashes |
| Mon | 1.2 percent, 9 fatal crashes | 1.5 percent, 11 fatal crashes | 1.5 percent, 11 fatal crashes | 2.8 percent, 20 fatal crashes | 2.8 percent, 20 fatal crashes | 3.3 percent, 24 fatal crashes |
| Tue | 1.0 percent, 7 fatal crashes | 2.3 percent, 17 fatal crashes | 1.2 percent, 9 fatal crashes | 1.5 percent, 11 fatal crashes | 2.6 percent, 19 fatal crashes | 3.0 percent, 22 fatal crashes |
| Wed | 1.4 percent, 10 fatal crashes | 2.3 percent, 17 fatal crashes | 2.5 percent, 18 fatal crashes | 1.9 percent, 14 fatal crashes | 2.3 percent, 17 fatal crashes | 2.8 percent, 20 fatal crashes |
| Thu | 1.5 percent, 11 fatal crashes | 2.2 percent, 16 fatal crashes | 1.7 percent, 12 fatal crashes | 2.2 percent, 16 fatal crashes | 2.5 percent, 18 fatal crashes | 3.2 percent, 23 fatal crashes |
| Fri | 1.8 percent, 13 fatal crashes | 2.1 percent, 15 fatal crashes | 2.1 percent, 15 fatal crashes | 1.8 percent, 13 fatal crashes | 3.3 percent, 24 fatal crashes | 3.4 percent, 25 fatal crashes |
| Sat | 3.7 percent, 27 fatal crashes | 2.1 percent, 15 fatal crashes | 1.5 percent, 11 fatal crashes | 1.8 percent, 13 fatal crashes | 4.0 percent, 29 fatal crashes | 5.5 percent, 40 fatal crashes |
By hour
By month
- Jan7.4%
- Feb5.9%
- Mar6.1%
- Apr7.2%
- May8.7%
- Jun7.7%
- Jul9.1%
- Aug9.1%
- Sep9.1%
- Oct9.1%
- Nov11.4%
- Dec9.2%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes in Nassau County first hit
The first harmful event was a pedestrian in 34%; a collision with another vehicle in 32%, a fixed object such as a tree, pole or barrier in 23%, a cyclist in 5.2%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Pedestrian | 249 | 34% |
| Collision with another vehicle | 231 | 32% |
| Fixed object (tree, pole, barrier, ditch) | 163 | 23% |
| Cyclist | 38 | 5.2% |
| Other | 20 | 2.8% |
| Parked vehicle | 17 | 2.3% |
| Rollover | 8 | 1.1% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes in Nassau County compare with New York
A drinking driver was recorded in 16% of fatal crashes in Nassau County from 2015 to 2024, below the New York share of 20%; speeding in 29%, below the New York share of 31%; a hit-and-run in 6.9%, below the New York share of 8.2%; a driver recorded as distracted in 7.7%, below the New York share of 12%; 33% of passenger-vehicle occupants killed with belt use known were unbelted, below the New York share of 37%. Shares of fatal crashes from 2015 to 2024, against the share across all of New York. A share is only given over 20 crashes.
| Nassau | New York | ||
|---|---|---|---|
| On rural roads | 7.0% | 30% | below the New York share |
| At or near an intersection | 43% | 34% | above the New York share |
| In the dark, road unlit | 5.2% | 17% | below the New York share |
| A drinking driver | 16% | 20% | below the New York share |
| Speeding | 29% | 31% | below the New York share |
| A distracted driver (as recorded) | 7.7% | 12% | below the New York share |
| Occupants killed unbelted | 33% | 37% | below the New York share |
| Hit-and-run | 6.9% | 8.2% | below the New York share |
| A motorcycle involved | 15% | 18% | below the New York share |
| Pedestrians among the dead | 34% | 26% | above the New York share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in Nassau County
- How many people died in car accidents in Nassau County in 2024?
- 65 people died in 63 fatal crashes in Nassau County, New York, in 2024, 1.5% fewer than in 2023. That is 4.7 deaths per 100,000 residents, against 5.5 across New York.
- What is the deadliest road in Nassau County?
- State Highway 908M had the most fatal crashes of any numbered road in Nassau County from 2015 to 2024: 50, with 57 deaths.
- When do fatal crashes in Nassau County happen most often?
- The heaviest slot from 2015 to 2024 was Saturday, 8 pm to midnight, with 40 fatal crashes.
- How many fatal crashes in Nassau County involved a drinking driver?
- 119 of 726 fatal crashes in Nassau County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 16%, against 20% across New York.
Other counties in New York with a page
- Suffolk County
- Queens County
- Kings County
- Erie County
- Monroe County
- Bronx County
- New York County
- Westchester County
- Orange County
- Onondaga County
- Dutchess County
- Albany County
All fatal crashes in New York, with every county ranked.
Where the Nassau County numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Nassau County (county code 59). A fatal crash is one in which someone died within 30 days. The rate per 100,000 uses the Census Bureau's population estimate for the county; it is the only figure here not counted from FARS. The full method.