Suncook, NH truck route planning & crash data
Plan safer truck routes in Suncook: commercial truck and garbage truck crashes in Suncook and Merrimack County, dangerous roads, seasonality and route safety data for fleets. Patterns use Merrimack 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 3.0 for all trucks.
Deadliest roads
How Merrimack County compares with New Hampshire
Merrimack County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Merrimack County stands out
Full comparison
| Measure (2015–2025) | Merrimack County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 42.2 | 30.4 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 3.0 | 2.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.37 | 0.39 | 0.49 | same |
| Garbage-truck share | 2.9% | 4.2% | 2.3% | 31% below the state |
| On snow, slush or ice | 23.5% | 20.2% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 29.8% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 24.6% | 22.8% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 47.4% | 47.6% | 41.9% | same |
| After dark | 17.1% | 16.3% | 24.8% | same |
Compared with New Hampshire, Merrimack County is lower on garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Suncook: I-93 deadliest road: 4 fatal truck crashes within 10 miles of Suncook since 2015.
Overview
Police reported 761 crashes involving commercial trucks in Merrimack County since 2015: 277 people were injured and 22 were killed.
In complete reporting years that works out to about one truck crash every 5 days.
Suncook had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Merrimack County numbers.
When crashes happen
Truck crashes peak in February (12.5% of the year) and are lowest in May (6.6%).
Winter months (Nov–Mar) carry 47.4% of truck crashes, vs 47.6% for New Hampshire.
The busiest hour is 10–11 am, with 8.5% of truck crashes.
Road surface: 23.5% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
I-93 leads within 10 miles of Suncook with 4 fatal crashes involving a large truck since 2015. Next come SR-4 (2), SR-3A (1) and US-4 (1).
Garbage & waste trucks
Garbage trucks account for 21 of the truck crashes here, or 2.8%, compared with 4.2% in New Hampshire.
Their busiest month is July, with 24% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 0.0 deaths compared with 3.0 for all trucks.
Route planning tips for Suncook fleets
- Review driver schedules for February, the month with the most truck crashes.
- Where you can, review stops along I-93; it has the most fatal large-truck crashes nearby.
- For residential and commercial waste routes, look again at July schedules: garbage-truck crashes peak then.
- Icy and snowy roads show up in 23.5% of truck crashes here, more than New Hampshire; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Merrimack County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-93 | 4 |
| SR-4 | 2 |
| SR-3A | 1 |
| US-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Merrimack County) |
|---|---|
| SR-3A | 9 |
| Dover Rd | 9 |
| N/Everett Tpk | 5 |
| Manchester St | 4 |
| N & Exit 3 | 4 |
| Hooksett Rd | 3 |
| I 89 N Mm 28.6 | 3 |
| I 89 S Mm 21.8 2 Miles N Of Exit 9 | 3 |
Suncook at a glance
| Land area | 3.7 sq mi |
| Median household income (ZIP 03275) | $82,910 |
| Median home value (ZIP 03275) | $322,414 |
Waste facilities and haulers nearby
Historical data: truck crashes in Merrimack 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 | 33 | — | 0.8 |
| 2000s | 49 | +46% | 1.8 |
| 2010s | 58 | +20% | 1.0 |
| 2020s | 64 | +9% | 1.6 |
In the 1990s about 33 truck crashes a year were reported; in the 2020s, about 64. Reporting coverage also changed between these periods. NHTSA counts 1.8 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Suncook
How many truck crashes happen in Suncook?
Since 2015, 761 crashes involving commercial trucks were reported in Merrimack County (277 injured, 22 killed).
Where do fatal truck crashes happen most in Suncook?
Since 2015, I-93 has had the most fatal large-truck crashes within 10 miles of Suncook: 4.
What is the worst month for truck crashes in Suncook?
The worst month is February: 12.5% of truck crashes in Merrimack County happen then.
How many garbage truck accidents happen in Suncook?
Garbage trucks were involved in 21 reported crashes in Merrimack County since 2015 (2.8% of truck crashes).
How do truck crashes in Suncook compare with New Hampshire?
The yearly rate is 42.2 truck crashes per 100,000 residents in Merrimack County, vs 30.4 for New Hampshire.
What is the best way to plan truck routes in Suncook?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.