Landaff, NH truck route planning & crash data
Plan safer truck routes in Landaff: commercial truck and garbage truck crashes in Landaff 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 sits below New Hampshire on crashes per 100k residents / yr. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Grafton County: 31.9% share of truck crashes on snow, slush or ice (New Hampshire: 20.2%).
Overview
Grafton County has recorded 297 truck crashes since 2015, with 138 people injured and 8 killed.
In complete reporting years that works out to about one truck crash every 14 days.
Landaff had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Grafton County numbers.
When crashes happen
December has the most truck crashes, 13.1% of the yearly total, while March has the fewest (4.7%).
The five winter months (November to March) hold 51.7% of truck crashes, against 47.6% across New Hampshire.
The busiest hour is 1–2 pm, with 9.8% of truck crashes.
31.9% of truck crashes here happened on snow, slush or ice, against 20.2% across New Hampshire.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Landaff since 2015: SR-10 (1). No single road stands out.
Garbage & waste trucks
14 crashes involved a garbage or refuse truck, a 4.7% share (New Hampshire: 4.2%).
Route planning tips for Landaff fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Grafton County.
- Icy and snowy roads show up in 31.9% of truck crashes here, more than New Hampshire; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Grafton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-10 | 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 |
Landaff at a glance
| Population | 442 |
| Land area | 28.3 sq mi |
| Density | 16 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 |
In the 1990s about 20 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Landaff
How many truck accidents are there in Landaff?
Since 2015, 297 crashes involving commercial trucks were reported in Grafton County (138 injured, 8 killed).
When do most truck crashes happen in Landaff?
December has the most truck crashes in Grafton County, 13.1% of the yearly total.
Are garbage truck crashes common in Landaff?
Since 2015, Grafton County has reported 14 garbage-truck crashes, or 4.7% of its truck crashes.
How do truck crashes in Landaff compare with New Hampshire?
The yearly rate is 28.1 truck crashes per 100,000 residents in Grafton County, vs 30.4 for New Hampshire.
How can I plan a safer truck route in Landaff?
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.