Cos Cob, CT truck route planning & crash data
Plan safer truck routes in Cos Cob: commercial truck and garbage truck crashes in Cos Cob and Western Connecticut Planning Region, dangerous roads, seasonality and route safety data for fleets. Patterns use Western Connecticut Planning Region 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 1.0 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 runs above Connecticut on crashes per 100k residents / yr, garbage-truck share and after dark.
Cos Cob at a glance: I-95 deadliest road: 8 fatal truck crashes within 10 miles of Cos Cob since 2015.
Overview
Since 2015, 3,583 crashes involving commercial trucks have been reported in Western Connecticut Planning Region. They injured 1,168 people and killed 33.
In complete reporting years that works out to about 1 truck crash a day.
Cos Cob had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Western Connecticut Planning Region numbers.
When crashes happen
May has the most truck crashes, 9.3% of the yearly total, while April has the fewest (7.4%).
November through March accounts for 39.9% of truck crashes here, compared with 41.3% in Connecticut.
The busiest hour is 9–10 am, with 7.1% of truck crashes.
Snow, slush or ice was on the road in 4.9% of truck crashes, compared with 6.2% in Connecticut.
Where crashes happen
The deadliest road for trucks within 10 miles of Cos Cob is I-95, with 8 fatal large-truck crashes since 2015. After it: I-287 (2), Arch St No 1 (1) and CR-8 Mamaroneck Ave (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 124 crashes, 3.5% of the total, against 3.3% across Connecticut.
Their busiest month is March, with 13% of garbage-truck crashes.
They recorded 1.7 deaths per 100 crashes, against 1.0 for all trucks.
Route planning tips for Cos Cob 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.
- Waste haulers: March is the peak month for garbage-truck crashes in Western Connecticut Planning Region.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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.
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 | 8 |
| I-287 | 2 |
| Arch St No 1 | 1 |
| CR-8 Mamaroneck Ave | 1 |
| I-684 | 1 |
| Maple Ave | 1 |
| SR-15 | 1 |
| US-1 | 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 |
Cos Cob at a glance
| Land area | 2.2 sq mi |
| Median household income (ZIP 06807) | $192,115 |
| Median home value (ZIP 06807) | $1,437,762 |
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 |
Reported truck crashes averaged 179 a year in the 1990s and 321 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 2.5 a year in 2016–19 and 2.4 a year in 2020–24.
Nearby places
Questions fleets ask about Cos Cob
How many truck crashes happen in Cos Cob?
Western Connecticut Planning Region has had 3,583 reported truck crashes since 2015, injuring 1,168 people and killing 33.
Which road has the most fatal truck crashes in Cos Cob?
NHTSA data shows I-95 with 8 fatal large-truck crashes within 10 miles of Cos Cob since 2015, the highest of any road.
What is the worst month for truck crashes in Cos Cob?
May has the most truck crashes in Western Connecticut Planning Region, 9.3% of the yearly total.
Are garbage truck crashes common in Cos Cob?
124 crashes involving garbage or refuse trucks have been reported in Western Connecticut Planning Region since 2015, 3.5% of all truck crashes.
How does Cos Cob compare with Connecticut for truck crashes?
Western Connecticut Planning Region records 47.9 truck crashes per 100,000 residents a year, against 40.2 across Connecticut.
How do I plan a garbage truck route in Cos Cob?
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.