ZIP 06820 (Darien, CT) truck route planning & crash data
Plan safer truck routes around ZIP 06820: commercial truck and garbage truck crashes here and in Western Connecticut Planning Region, dangerous roads, seasonality and route safety data for fleets.
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 1.0 for all trucks.
Deadliest roads
How Western Connecticut Planning Region compares with Connecticut
Western Connecticut Planning Region against Connecticut and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Western Connecticut Planning Region stands out
Full comparison
| Measure (2015–2025) | Western Connecticut Planning Region | Connecticut | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 47.9 | 40.2 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 1.0 | 2.2 | 3.4 | 55% below the state |
| Injuries per crash | 0.32 | 0.39 | 0.49 | 18% below the state |
| Garbage-truck share | 3.6% | 3.3% | 2.3% | 1.1× the state |
| On snow, slush or ice | 4.9% | 6.2% | 6.2% | 20% below the state |
| Morning rush (6–10 am) | 24.2% | 24.4% | 23.7% | same |
| In rain, sleet or snow | 13.8% | 14.1% | 13.8% | same |
| Winter months (Nov–Mar) | 39.9% | 41.3% | 41.9% | same |
| After dark | 30.9% | 28.0% | 24.8% | 1.1× the state |
Western Connecticut Planning Region has lower values than Connecticut for deaths per 100 crashes, injuries per crash and on snow, slush or ice. It stands out for higher crashes per 100k residents / yr, garbage-truck share and after dark.
ZIP 06820 at a glance: I-95 13 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 06820.
Overview
Western Connecticut Planning Region has recorded 3,583 truck crashes since 2015, with 1,168 people injured and 33 killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
Truck crashes peak in May (9.3% of the year) and are lowest in April (7.4%).
Winter months (Nov–Mar) carry 39.9% of truck crashes, vs 41.3% for Connecticut.
The busiest hour is 9–10 am, with 7.1% of truck crashes.
Road surface: 4.9% of truck crashes were on snow, slush or ice (Connecticut: 6.2%).
Where crashes happen
I-95 leads within 10 miles of ZIP 06820 with 13 fatal crashes involving a large truck since 2015. After it: Arch St No 1 (1), Riverside Cemetery Access Rd (1) and SR-15 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 124 crashes, 3.5% of the total, against 3.3% across Connecticut.
The most garbage-truck crashes happen in March (13%).
Per 100 crashes, garbage trucks recorded 1.7 deaths compared with 1.0 for all trucks.
Route planning tips for ZIP 06820 fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in Western Connecticut Planning Region.
- Check whether your routes use I-95, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- 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.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Western Connecticut Planning Region
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-95 | 13 |
| Arch St No 1 | 1 |
| Riverside Cemetery Access Rd | 1 |
| SR-15 | 1 |
| Ts-187 Old Hill Rd | 1 |
| US-1 | 1 |
| US-7 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Western Connecticut Planning Region) |
|---|---|
| I-95 | 317 |
| I-84 | 85 |
| Danbury Rd | 39 |
| West Av | 19 |
| White St | 13 |
| Elm St | 12 |
| SR-15 | 10 |
| SR-7 | 10 |
ZIP 06820 at a glance
| Population | 21,936 |
| Density | 669 per sq mi |
| Median household income | $250,001 |
| Median home value | $1,814,616 |
| Home ownership | 82% |
Historical data: truck crashes in Western Connecticut Planning Region 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 | 179 | — | 0.0 |
| 2000s | 218 | +22% | 2.6 |
| 2010s | 222 | +2% | 3.0 |
| 2020s | 321 | +45% | 2.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 179 to 321. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 2.5 a year in 2016–19 and 2.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 06820
How many truck accidents are there in ZIP 06820?
3,583 truck crashes have been reported in Western Connecticut Planning Region since 2015, with 33 deaths and 1,168 injuries.
Where do fatal truck crashes happen most in ZIP 06820?
I-95 had 13 fatal crashes involving a large truck within 10 miles of ZIP 06820 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 06820?
Truck crashes in Western Connecticut Planning Region peak in May, with 9.3% of the year's crashes.
Are garbage truck crashes common in ZIP 06820?
Since 2015, Western Connecticut Planning Region has reported 124 garbage-truck crashes, or 3.5% of its truck crashes.
How does ZIP 06820 compare with Connecticut for truck crashes?
The yearly rate is 47.9 truck crashes per 100,000 residents in Western Connecticut Planning Region, vs 40.2 for Connecticut.
How can I plan a safer truck route in ZIP 06820?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.