Flanders, NY truck route planning & crash data
Plan safer truck routes in Flanders: commercial truck and garbage truck crashes in Flanders 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 sits below New York on deaths per 100 crashes, garbage-truck share and on snow, slush or ice. It runs above New York on crashes per 100k residents / yr and morning rush (6–10 am).
Suffolk County at a glance: +115% yearly reported truck crashes went from 176 in the 2000s to 378 in the 2010s.
Overview
Police reported 4,506 crashes involving commercial trucks in Suffolk County since 2015: 3,537 people were injured and 83 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
Flanders had 0 reported truck crashes 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
Truck crashes peak in August (10.0% of the year) and are lowest in March (6.8%).
November through March accounts for 36.0% of truck crashes here, compared with 41.8% in 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
The deadliest road for trucks within 10 miles of Flanders is SR-27, with 2 fatal large-truck crashes since 2015. It is followed by CR-104 Quogue Riverhead Rd (1), CR-105 Cross River Dr (1) and CR-111 (1).
Garbage & waste trucks
129 crashes involved a garbage or refuse truck, a 2.9% share (New York: 3.6%).
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 Flanders fleets
- Review driver schedules for August, the month with the most truck crashes.
- Look at alternatives to SR-27 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: March is the peak month for garbage-truck crashes in Suffolk County.
- The morning rush (6–10 am) holds 30.4% of truck crashes here, more than New York; adjust start times where you can.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Reporting was incomplete in 2023, 2024 and 2025, so those years are greyed out and left out of rates and comparisons.
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) |
|---|---|
| SR-27 | 2 |
| CR-104 Quogue Riverhead Rd | 1 |
| CR-105 Cross River Dr | 1 |
| CR-111 | 1 |
| Eastport Manor Rd | 1 |
| Horton Ave | 1 |
| Sound Ave | 1 |
| Speonk Riverhead Rd | 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 |
Flanders at a glance
| Land area | 11.5 sq mi |
| Median household income (ZIP 11942) | $93,710 |
| Median home value (ZIP 11942) | $842,473 |
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 |
In the 1990s about 166 truck crashes a year were reported; in the 2020s, about 527. Reporting coverage also changed between these periods. Fatal large-truck crashes: 5.5 a year in 2016–19, 8.2 a year in 2020–24.
Nearby places
Questions fleets ask about Flanders
How many truck crashes happen in Flanders?
4,506 truck crashes have been reported in Suffolk County since 2015, with 83 deaths and 3,537 injuries.
What is the most dangerous road for trucks in Flanders?
SR-27 had 2 fatal crashes involving a large truck within 10 miles of Flanders since 2015, more than any other road.
Which month has the most truck crashes in Flanders?
The worst month is August: 10.0% of truck crashes in Suffolk County happen then.
How many garbage truck accidents happen in Flanders?
Garbage trucks were involved in 129 reported crashes in Suffolk County since 2015 (2.9% of truck crashes).
What is the truck crash rate in Flanders compared with New York?
Suffolk County records 35.0 truck crashes per 100,000 residents a year, against 28.0 across New York.
How can I plan a safer truck route in Flanders?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
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.