Hillsborough County, NH truck route planning & crash data
Plan safer truck routes in Hillsborough County: commercial truck and garbage truck crashes, 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
2.2 deaths per 100 garbage-truck crashes vs 1.3 for all trucks.
Deadliest roads
How Hillsborough County compares with New Hampshire
Hillsborough County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hillsborough County stands out
Full comparison
| Measure (2015–2025) | Hillsborough County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 25.3 | 30.4 | 49.7 | 17% below the state |
| Deaths per 100 crashes | 1.3 | 2.6 | 3.4 | 50% below the state |
| Injuries per crash | 0.35 | 0.39 | 0.49 | 10% below the state |
| Garbage-truck share | 3.9% | 4.2% | 2.3% | 7% below the state |
| On snow, slush or ice | 15.6% | 20.2% | 6.2% | 22% below the state |
| Morning rush (6–10 am) | 27.3% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 21.5% | 22.8% | 13.8% | same |
| Winter months (Nov–Mar) | 45.7% | 47.6% | 41.9% | same |
| After dark | 15.6% | 16.3% | 24.8% | same |
Hillsborough County sits below New Hampshire on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Hillsborough County at a glance: August more garbage-truck crashes happen in August than in any other month (24%).
Overview
Hillsborough County has recorded 1,238 truck crashes since 2015, with 428 people injured and 18 killed.
In complete reporting years that works out to about one truck crash every 3 days.
When crashes happen
December has the most truck crashes, 12.5% of the yearly total, while April has the fewest (6.9%).
Winter months (Nov–Mar) carry 45.7% of truck crashes, vs 47.6% for New Hampshire.
By time of day, 12–1 pm stands out with 9.5% of truck crashes.
15.6% of truck crashes here happened on snow, slush or ice, against 20.2% across New Hampshire.
Where crashes happen
SR-111 leads in Hillsborough County with 3 fatal crashes involving a large truck since 2015. After it: I-93 (2), SR-9 (2) and Allds Street (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 46 crashes, 3.7% of the total, against 4.2% across New Hampshire.
Their busiest month is August, with 24% of garbage-truck crashes.
They recorded 2.2 deaths per 100 crashes, against 1.3 for all trucks.
Route planning tips for Hillsborough County fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Hillsborough County.
- Where you can, review stops along SR-111; it has the most fatal large-truck crashes nearby.
- For residential and commercial waste routes, look again at August schedules: garbage-truck crashes peak then.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Hillsborough County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Hillsborough County) |
|---|---|
| SR-111 | 3 |
| I-93 | 2 |
| SR-9 | 2 |
| Allds Street | 1 |
| Daniel Webster Hwy | 1 |
| Everett Turnpike | 1 |
| I-293 | 1 |
| SR-101 | 1 |
| SR-124 | 1 |
| SR-128 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hillsborough County) |
|---|---|
| Amherst St | 14 |
| SR-101 | 7 |
| Daniel Webster Hwy | 5 |
| Central St | 4 |
| Main St | 4 |
| Pine St @ Silver St | 4 |
| SR-13 | 4 |
| Broad St @ 21 Gusabel Ave | 3 |
Hillsborough County at a glance
| Population | 430,462 |
| Land area | 876.5 sq mi |
| Density | 491 per sq mi |
| Median household income (ZIP average) | $109,155 |
Waste facilities and haulers nearby
Historical data: truck crashes in Hillsborough 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 | 57 | — | 1.9 |
| 2000s | 82 | +43% | 1.7 |
| 2010s | 96 | +17% | 2.0 |
| 2020s | 105 | +9% | 1.8 |
Reported truck crashes averaged 57 a year in the 1990s and 105 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.0 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Cities, towns & communities in Hillsborough County
ZIP codes in Hillsborough County
Nearby counties
Questions fleets ask about Hillsborough County
How common are truck crashes in Hillsborough County?
1,238 truck crashes have been reported in Hillsborough County since 2015, with 18 deaths and 428 injuries.
What is the most dangerous road for trucks in Hillsborough County?
SR-111 had 3 fatal crashes involving a large truck in Hillsborough County since 2015, more than any other road.
What is the worst month for truck crashes in Hillsborough County?
December has the most truck crashes in Hillsborough County, 12.5% of the yearly total.
Are garbage truck crashes common in Hillsborough County?
Garbage trucks were involved in 46 reported crashes in Hillsborough County since 2015 (3.7% of truck crashes).
How does Hillsborough County compare with New Hampshire for truck crashes?
The yearly rate is 25.3 truck crashes per 100,000 residents in Hillsborough County, vs 30.4 for New Hampshire.
How can I plan a safer truck route in Hillsborough County?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.