Islandia, NY truck route planning & crash data
Plan safer truck routes in Islandia: commercial truck and garbage truck crashes in Islandia and Suffolk County, dangerous roads, seasonality and route safety data for fleets. Patterns use Suffolk County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1.7 deaths per 100 garbage-truck crashes vs 1.6 for all trucks.
Deadliest roads
How Suffolk County compares with New York State
Suffolk County against New York State and the US, 2015–2022 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Suffolk County stands out
Full comparison
| Measure (2015–2022) | Suffolk County | New York State | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 35.0 | 28.0 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 1.6 | 2.0 | 3.4 | 20% below the state |
| Injuries per crash | 0.77 | 0.73 | 0.49 | same |
| Garbage-truck share | 2.8% | 3.6% | 2.3% | 22% below the state |
| On snow, slush or ice | 3.4% | 9.4% | 6.2% | 64% below the state |
| Morning rush (6–10 am) | 30.4% | 25.1% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 11.1% | 17.9% | 13.8% | 38% below the state |
| Winter months (Nov–Mar) | 36.0% | 41.8% | 41.9% | 14% below the state |
| After dark | 13.5% | 22.1% | 24.8% | 39% below the state |
Suffolk County has lower values than New York for deaths per 100 crashes, garbage-truck share and on snow, slush or ice. Where it is higher: crashes per 100k residents / yr and morning rush (6–10 am).
Islandia at a glance: 2.0× change in fatal truck crashes a year within 10 miles of Islandia (2.5 → 5.0).
Overview
Since 2015, 4,506 crashes involving commercial trucks have been reported in Suffolk County. They injured 3,537 people and killed 83.
That averages about 1 truck crash a day in fully reported years.
Islandia had 1 reported truck crash since 2015, too few for reliable patterns, so the charts and findings on this page use Suffolk County numbers.
98% of truck crash reports in Suffolk County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
August has the most truck crashes, 10.0% of the yearly total, while March has the fewest (6.8%).
The five winter months (November to March) hold 36.0% of truck crashes, against 41.8% across New York.
The busiest hour is 8–9 am, with 9.1% of truck crashes.
Road surface: 3.4% of truck crashes were on snow, slush or ice (New York: 9.4%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Islandia since 2015: I-495 (5), SR-454 (5), SR-25 (4), SR-27 (3) and CR-83 (2). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 129 crashes, 2.9% of the total, against 3.6% across New York.
Garbage-truck crashes peak in March (12% of them).
They recorded 1.7 deaths per 100 crashes, against 1.6 for all trucks.
Route planning tips for Islandia fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Suffolk County.
- Waste haulers: March is the peak month for garbage-truck crashes in Suffolk County.
- 30.4% of truck crashes happen between 6 and 10 am, above New York; consider earlier or later starts where possible.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Reporting to FMCSA was incomplete in 2023, 2024 and 2025; rates and comparisons skip those years.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Suffolk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-495 | 5 |
| SR-454 | 5 |
| SR-25 | 4 |
| SR-27 | 3 |
| CR-83 | 2 |
| SR-112 | 2 |
| 1049 Commack Rd | 1 |
| 906C Sunrise Hwy Service Rd | 1 |
| CR-100 Suffolk Ave | 1 |
| CR-11 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Suffolk County) |
|---|---|
| Cross River Drive | 2 |
| Exit 39S Southern State Pkwy | 2 |
| Old Country Road | 2 |
| Broadway | 1 |
| Center Dr. | 1 |
| County Road 39A | 1 |
| Cr 39 | 1 |
| E Jericho Tnpk | 1 |
Islandia at a glance
| Population | 3,651 |
| Land area | 2.2 sq mi |
| Density | 1,649 per sq mi |
| Median household income (ZIP 11749) | $116,313 |
| Median home value (ZIP 11749) | $479,112 |
Waste facilities and haulers nearby
Historical data: truck crashes in Suffolk County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 166 | — | 10.3 |
| 2000s | 176 | +6% | 9.6 |
| 2010s | 378 | +115% | 7.7 |
| 2020s | 527 | +39% | 8.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 166 to 527. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 5.5 a year in 2016–19 and 8.2 a year in 2020–24.
Nearby places
Questions fleets ask about Islandia
How common are truck crashes in Islandia?
4,506 truck crashes have been reported in Suffolk County since 2015, with 83 deaths and 3,537 injuries.
Which month has the most truck crashes in Islandia?
Truck crashes in Suffolk County peak in August, with 10.0% of the year's crashes.
How many garbage truck accidents happen in Islandia?
129 crashes involving garbage or refuse trucks have been reported in Suffolk County since 2015, 2.9% of all truck crashes.
How do truck crashes in Islandia compare with New York?
Per 100,000 residents, Suffolk County has 35.0 truck crashes a year; New York has 28.0.
How can I plan a safer truck route in Islandia?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
Crash reporting to FMCSA was incomplete in 2023, 2024 and 2025; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.