ZIP 06447 (Marlborough, CT) truck route planning & crash data
Plan safer truck routes around ZIP 06447: commercial truck and garbage truck crashes here and in Capitol 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
5.1 deaths per 100 garbage-truck crashes vs 2.6 for all trucks.
Deadliest roads
How Capitol Planning Region compares with Connecticut
Capitol Planning Region against Connecticut and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Capitol Planning Region stands out
Full comparison
| Measure (2015–2025) | Capitol Planning Region | Connecticut | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.1 | 40.2 | 49.7 | same |
| Deaths per 100 crashes | 2.6 | 2.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.40 | 0.39 | 0.49 | same |
| Garbage-truck share | 3.2% | 3.3% | 2.3% | same |
| On snow, slush or ice | 7.0% | 6.2% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 23.6% | 24.4% | 23.7% | same |
| In rain, sleet or snow | 14.8% | 14.1% | 13.8% | same |
| Winter months (Nov–Mar) | 41.1% | 41.3% | 41.9% | same |
| After dark | 27.6% | 28.0% | 24.8% | same |
It runs above Connecticut on deaths per 100 crashes and on snow, slush or ice.
What stands out in ZIP 06447: SR-66 deadliest road: 3 fatal truck crashes within 10 miles of ZIP 06447 since 2015.
Overview
Capitol Planning Region has recorded 4,545 truck crashes since 2015, with 1,846 people injured and 118 killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
The worst month is December with 9.2% of truck crashes; the quietest is November at 7.2%.
Winter months (Nov–Mar) carry 41.1% of truck crashes, vs 41.3% for Connecticut.
The busiest hour is 8–9 am, with 7.1% of truck crashes.
Snow, slush or ice was on the road in 7.0% of truck crashes, compared with 6.2% in Connecticut.
Where crashes happen
Within this area, SR-66 had the most fatal crashes involving a large truck since 2015 (3). After it: SR-16 (2), SR-2 (1) and Ts-109 Keeney St (1).
Garbage & waste trucks
140 crashes involved a garbage or refuse truck, a 3.1% share (Connecticut: 3.3%).
The most garbage-truck crashes happen in March (12%).
Per 100 crashes, garbage trucks recorded 5.1 deaths compared with 2.6 for all trucks.
Route planning tips for ZIP 06447 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Check whether your routes use SR-66, the road with the most fatal truck crashes in this area.
- Waste haulers: March is the peak month for garbage-truck crashes in Capitol Planning Region.
- 7.0% of truck crashes were on snow, slush or ice, above Connecticut; plan winter equipment checks before the season.
- 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 Capitol Planning Region
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-66 | 3 |
| SR-16 | 2 |
| SR-2 | 1 |
| Ts-109 Keeney St | 1 |
| US-6 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Capitol Planning Region) |
|---|---|
| I-84 | 121 |
| I-91 | 102 |
| Day Hill Rd | 16 |
| Main St | 13 |
| Main Street | 13 |
| Berlin Trnpk | 12 |
| Main St No 1 | 11 |
| Brainard Rd | 11 |
ZIP 06447 at a glance
| Population | 6,130 |
| Density | 101 per sq mi |
| Median household income | $142,105 |
| Median home value | $386,587 |
| Home ownership | 93% |
Historical data: truck crashes in Capitol 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 | 204 | — | 0.0 |
| 2000s | 210 | +3% | 4.2 |
| 2010s | 279 | +33% | 5.7 |
| 2020s | 405 | +45% | 8.2 |
In the 1990s about 204 truck crashes a year were reported; in the 2020s, about 405. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 6.8 a year in 2016–19 and 8.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 06447
How many truck crashes happen in ZIP 06447?
Since 2015, 4,545 crashes involving commercial trucks were reported in Capitol Planning Region (1,846 injured, 118 killed).
What is the most dangerous road for trucks in ZIP 06447?
NHTSA data shows SR-66 with 3 fatal large-truck crashes within 10 miles of ZIP 06447 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 06447?
The worst month is December: 9.2% of truck crashes in Capitol Planning Region happen then.
How many garbage truck accidents happen in ZIP 06447?
Garbage trucks were involved in 140 reported crashes in Capitol Planning Region since 2015 (3.1% of truck crashes).
How do truck crashes in ZIP 06447 compare with Connecticut?
Per 100,000 residents, Capitol Planning Region has 39.1 truck crashes a year; Connecticut has 40.2.
What is the best way to plan truck routes in ZIP 06447?
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.