Lyman, NH truck route planning & crash data
Plan safer truck routes in Lyman: commercial truck and garbage truck crashes in Lyman and Grafton County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grafton County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
14 of 297 truck crashes since 2015.
Deadliest roads
How Grafton County compares with New Hampshire
Grafton County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grafton County stands out
Full comparison
| Measure (2015–2025) | Grafton County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.1 | 30.4 | 49.7 | 8% below the state |
| Deaths per 100 crashes | 2.8 | 2.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.47 | 0.39 | 0.49 | 1.2× the state |
| Garbage-truck share | 4.9% | 4.2% | 2.3% | 1.2× the state |
| On snow, slush or ice | 31.9% | 20.2% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 27.8% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 31.2% | 22.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 51.7% | 47.6% | 41.9% | 1.1× the state |
| After dark | 18.4% | 16.3% | 24.8% | 1.1× the state |
Grafton County has lower values than New Hampshire for crashes per 100k residents / yr. Where it is higher: deaths per 100 crashes, injuries per crash and garbage-truck share.
Grafton County at a glance: 31.9% on snowy, slushy or icy roads, against 20.2% across New Hampshire.
Overview
Since 2015, 297 crashes involving commercial trucks have been reported in Grafton County. They injured 138 people and killed 8.
In complete reporting years that works out to about one truck crash every 14 days.
With 0 truck crashes reported in Lyman since 2015, this page uses Grafton County numbers for its patterns and comparisons.
When crashes happen
The worst month is December with 13.1% of truck crashes; the quietest is March at 4.7%.
Winter months (Nov–Mar) carry 51.7% of truck crashes, vs 47.6% for New Hampshire.
The busiest hour is 1–2 pm, with 9.8% of truck crashes.
Road surface: 31.9% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Lyman since 2015 were spread across roads: SR-10 (1) and US-302 (1).
Garbage & waste trucks
Garbage trucks account for 14 of the truck crashes here, or 4.7%, compared with 4.2% in New Hampshire.
Route planning tips for Lyman fleets
- Review driver schedules for December, the month with the most truck crashes.
- Icy and snowy roads show up in 31.9% of truck crashes here, more than New Hampshire; schedule winter checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Grafton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-10 | 1 |
| US-302 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grafton County) |
|---|---|
| Main St | 7 |
| I-93 | 6 |
| SR-3 | 4 |
| SR-302 | 3 |
| Dartmouth College Hwy | 2 |
| I 93 80 Ft N Of Mm 80.8 | 2 |
| I 93 Mm 106.4 | 2 |
| I-89 | 2 |
Lyman at a glance
| Population | 584 |
| Land area | 28.4 sq mi |
| Density | 21 per sq mi |
| Median household income (ZIP 03585) | $68,594 |
| Median home value (ZIP 03585) | $233,755 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grafton 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 | 20 | — | 1.1 |
| 2000s | 24 | +23% | 0.6 |
| 2010s | 28 | +16% | 0.8 |
| 2020s | 22 | -23% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 20 to 22. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Lyman
How many truck accidents are there in Lyman?
Since 2015, 297 crashes involving commercial trucks were reported in Grafton County (138 injured, 8 killed).
What is the worst month for truck crashes in Lyman?
The worst month is December: 13.1% of truck crashes in Grafton County happen then.
How many garbage truck crashes are there in Lyman?
14 crashes involving garbage or refuse trucks have been reported in Grafton County since 2015, 4.7% of all truck crashes.
How do truck crashes in Lyman compare with New Hampshire?
Per 100,000 residents, Grafton County has 28.1 truck crashes a year; New Hampshire has 30.4.
How do I plan a garbage truck route in Lyman?
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.