Dennis, MA truck route planning & crash data
Plan safer truck routes in Dennis: commercial truck and garbage truck crashes in Dennis and Barnstable County, dangerous roads, seasonality and route safety data for fleets. Patterns use Barnstable County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 2.6 for all trucks.
Deadliest roads
How Barnstable County compares with Massachusetts
Barnstable County against Massachusetts and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Barnstable County stands out
Full comparison
| Measure (2015–2025) | Barnstable County | Massachusetts | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 21.0 | 22.9 | 49.7 | 8% below the state |
| Deaths per 100 crashes | 2.6 | 2.0 | 3.4 | 1.3× the state |
| Injuries per crash | 0.53 | 0.46 | 0.49 | 1.2× the state |
| Garbage-truck share | 5.8% | 5.3% | 2.3% | 1.1× the state |
| On snow, slush or ice | 4.3% | 6.6% | 6.2% | 35% below the state |
| Morning rush (6–10 am) | 34.1% | 27.3% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 9.1% | 13.2% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 33.0% | 41.9% | 41.9% | 21% below the state |
| After dark | 8.6% | 19.2% | 24.8% | 55% below the state |
Barnstable County sits below Massachusetts on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. Where it is higher: deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Dennis: US-6 most fatal truck crashes within 10 miles of Dennis: 2 since 2015.
Overview
Since 2015, 569 crashes involving commercial trucks have been reported in Barnstable County. They injured 298 people and killed 14.
That averages about one truck crash every 7 days in fully reported years.
Dennis had 30 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Barnstable County numbers.
When crashes happen
June has the most truck crashes, 12.8% of the yearly total, while November has the fewest (4.0%).
Winter months (Nov–Mar) carry 33.0% of truck crashes, vs 41.9% for Massachusetts.
The busiest hour is 8–9 am, with 11.2% of truck crashes.
4.3% of truck crashes here happened on snow, slush or ice, against 6.6% across Massachusetts.
Where crashes happen
Within this area, US-6 had the most fatal crashes involving a large truck since 2015 (2). After it: Old Bass River Rd (1), Old Chatham Rd (1) and Old Stage Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 34 crashes, 6.0% of the total, against 5.3% across Massachusetts.
Their busiest month is June, with 24% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 0.0 deaths compared with 2.6 for all trucks.
Route planning tips for Dennis fleets
- Review driver schedules for June, the month with the most truck crashes.
- Check whether your routes use US-6, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in June; review collection routes for that month.
- Morning starts matter: 34.1% of truck crashes fall between 6 and 10 am, higher than Massachusetts.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Barnstable County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-6 | 2 |
| Old Bass River Rd | 1 |
| Old Chatham Rd | 1 |
| Old Stage Rd | 1 |
| SR-28 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Barnstable County) |
|---|---|
| Sandwich Rd | 13 |
| Macarthur Blvd | 12 |
| Rte 6 | 7 |
| Main St | 6 |
| Iyannough Rd | 5 |
| Rte 25 Eb Mm 9 | 5 |
| Scenic Hwy | 5 |
| Falmouth Rd Rte 28 | 4 |
Dennis at a glance
| Population | 14,862 |
| Land area | 4.9 sq mi |
| Density | 3,026 per sq mi |
| Median household income (ZIP 02638) | $108,726 |
| Median home value (ZIP 02638) | $815,268 |
Waste facilities and haulers nearby
Historical data: truck crashes in Barnstable 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 | 12 | — | 1.3 |
| 2000s | 35 | +201% | 1.8 |
| 2010s | 58 | +67% | 0.9 |
| 2020s | 46 | -21% | 2.0 |
Reported truck crashes averaged 12 a year in the 1990s and 46 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.5 a year in 2016–19, 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Dennis
How many truck accidents are there in Dennis?
Barnstable County has had 569 reported truck crashes since 2015, injuring 298 people and killing 14.
What is the most dangerous road for trucks in Dennis?
Since 2015, US-6 has had the most fatal large-truck crashes within 10 miles of Dennis: 2.
When do most truck crashes happen in Dennis?
The worst month is June: 12.8% of truck crashes in Barnstable County happen then.
Are garbage truck crashes common in Dennis?
Garbage trucks were involved in 34 reported crashes in Barnstable County since 2015 (6.0% of truck crashes).
How does Dennis compare with Massachusetts for truck crashes?
The yearly rate is 21.0 truck crashes per 100,000 residents in Barnstable County, vs 22.9 for Massachusetts.
What is the best way to plan truck routes in Dennis?
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.