Williamstown, MO truck route planning & crash data
Plan safer truck routes in Williamstown: commercial truck and garbage truck crashes in Williamstown and Lewis County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lewis County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 124 truck crashes since 2015.
Deadliest roads
How Lewis County compares with Missouri
Lewis County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lewis County stands out
Full comparison
| Measure (2015–2025) | Lewis County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 108.0 | 85.9 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 1.7 | 2.7 | 3.4 | 37% below the state |
| Injuries per crash | 0.32 | 0.44 | 0.49 | 27% below the state |
| Garbage-truck share | 0.9% | 2.2% | 2.3% | 61% below the state |
| On snow, slush or ice | 21.4% | 7.2% | 6.2% | 3.0× the state |
| Morning rush (6–10 am) | 23.1% | 22.8% | 23.7% | same |
| In rain, sleet or snow | 16.2% | 10.7% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 44.4% | 40.7% | 41.9% | 1.1× the state |
| After dark | 29.9% | 24.7% | 24.8% | 1.2× the state |
Lewis County has lower values than Missouri for deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
What stands out in Lewis County: 21.4% on snowy, slushy or icy roads, against 7.2% across Missouri.
Overview
Since 2015, 124 crashes involving commercial trucks have been reported in Lewis County. They injured 42 people and killed 2.
Across the years with complete reporting, that is roughly one truck crash every 34 days.
Williamstown had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Lewis County numbers.
When crashes happen
The worst month is January with 15.3% of truck crashes; the quietest is August at 3.2%.
Winter months (Nov–Mar) carry 44.4% of truck crashes, vs 40.7% for Missouri.
By time of day, 8–9 am stands out with 9.7% of truck crashes.
Snow, slush or ice was on the road in 21.4% of truck crashes, compared with 7.2% in Missouri.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Williamstown since 2015: Sr-D (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 0.8% of the total, against 2.2% across Missouri.
Route planning tips for Williamstown fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Lewis County.
- Icy and snowy roads show up in 21.4% of truck crashes here, more than Missouri; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Lewis County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Sr-D | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lewis County) |
|---|---|
| US-61 | 71 |
| Rt K | 8 |
| Mo 6 | 8 |
| Mo 156 | 4 |
| Mo 16 | 4 |
| Mo 81 | 3 |
| Rt A | 3 |
| Rt C | 3 |
Williamstown at a glance
| Land area | 0.3 sq mi |
| Median household income (ZIP 63473) | $57,174 |
| Median home value (ZIP 63473) | $168,954 |
Waste facilities and haulers nearby
Historical data: truck crashes in Lewis 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 | — | 0.5 |
| 2000s | 7 | -43% | 0.7 |
| 2010s | 8 | +25% | 0.3 |
| 2020s | 9 | +9% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 9. Some of the change may reflect how crashes were reported. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Williamstown
How common are truck crashes in Williamstown?
Since 2015, 124 crashes involving commercial trucks were reported in Lewis County (42 injured, 2 killed).
What is the worst month for truck crashes in Williamstown?
Truck crashes in Lewis County peak in January, with 15.3% of the year's crashes.
How many garbage truck accidents happen in Williamstown?
Since 2015, Lewis County has reported 1 garbage-truck crash, or 0.8% of its truck crashes.
How does Williamstown compare with Missouri for truck crashes?
The yearly rate is 108.0 truck crashes per 100,000 residents in Lewis County, vs 85.9 for Missouri.
How do I plan a garbage truck route in Williamstown?
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.