Arnold, MO truck route planning & crash data
Plan safer truck routes in Arnold: commercial truck and garbage truck crashes in Arnold and Jefferson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Jefferson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5.1 deaths per 100 garbage-truck crashes vs 2.7 for all trucks.
Deadliest roads
How Jefferson County compares with Missouri
Jefferson County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 55.2 | 85.9 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 2.7 | 2.7 | 3.4 | same |
| Injuries per crash | 0.48 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.8% | 2.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 3.0% | 7.2% | 6.2% | 58% below the state |
| Morning rush (6–10 am) | 23.1% | 22.8% | 23.7% | same |
| In rain, sleet or snow | 7.3% | 10.7% | 13.8% | 32% below the state |
| Winter months (Nov–Mar) | 36.1% | 40.7% | 41.9% | 11% below the state |
| After dark | 21.9% | 24.7% | 24.8% | 12% below the state |
Jefferson County has lower values than Missouri for crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It runs above Missouri on injuries per crash and garbage-truck share.
Arnold at a glance: 2.1× fatal truck crashes within 10 miles of Arnold per year, 2020–24 vs 2016–19 (3.2 vs 1.5).
Overview
Since 2015, 1,511 crashes involving commercial trucks have been reported in Jefferson County. They injured 723 people and killed 40.
That averages about one truck crash every 3 days in fully reported years.
Arnold had 128 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Jefferson County numbers.
When crashes happen
July has the most truck crashes, 9.8% of the yearly total, while December has the fewest (6.5%).
The five winter months (November to March) hold 36.1% of truck crashes, against 40.7% across Missouri.
The busiest hour is 3–4 pm, with 8.1% of truck crashes.
Road surface: 3.0% of truck crashes were on snow, slush or ice (Missouri: 7.2%).
Where crashes happen
The deadliest road for trucks within 10 miles of Arnold is I-55, with 8 fatal large-truck crashes since 2015. It is followed by I-44 (3), SR-30 (3) and I-255 (2).
Garbage & waste trucks
Garbage and refuse trucks were involved in 40 crashes, 2.6% of the total, against 2.2% across Missouri.
Their busiest month is August, with 15% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 5.1, vs 2.7 for all truck crashes.
Route planning tips for Arnold fleets
- Build extra time into July routes: it has the most truck crashes here.
- Check whether your routes use I-55, the road with the most fatal truck crashes in this area.
- Waste haulers: August is the peak month for garbage-truck crashes in Jefferson County.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-55 | 8 |
| I-44 | 3 |
| SR-30 | 3 |
| I-255 | 2 |
| CR-6 | 1 |
| CR-NEW Sugar Creek Rd | 1 |
| I-270 | 1 |
| SR-141 | 1 |
| SR-231 | 1 |
| SR-3 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| Is 55 | 559 |
| US-67 | 168 |
| Mo 30 | 74 |
| Mo 21 | 60 |
| US-61 | 46 |
| Mo 141 | 45 |
| Rt A | 27 |
| Rt Z | 26 |
Arnold at a glance
| Population | 21,036 |
| Land area | 11.5 sq mi |
| Density | 1,825 per sq mi |
| Median household income (ZIP 63010) | $79,784 |
| Median home value (ZIP 63010) | $224,175 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 94 | — | 4.0 |
| 2000s | 88 | -6% | 2.7 |
| 2010s | 90 | +1% | 2.3 |
| 2020s | 130 | +45% | 2.6 |
Reported truck crashes averaged 94 a year in the 1990s and 130 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.5 fatal large-truck crashes a year in 2016–19 and 2.6 a year in 2020–24.
Nearby places
Questions fleets ask about Arnold
How common are truck crashes in Arnold?
1,511 truck crashes have been reported in Jefferson County since 2015, with 40 deaths and 723 injuries.
What is the most dangerous road for trucks in Arnold?
I-55 had 8 fatal crashes involving a large truck within 10 miles of Arnold since 2015, more than any other road.
Which month has the most truck crashes in Arnold?
Truck crashes in Jefferson County peak in July, with 9.8% of the year's crashes.
Are garbage truck crashes common in Arnold?
Since 2015, Jefferson County has reported 40 garbage-truck crashes, or 2.6% of its truck crashes.
What is the truck crash rate in Arnold compared with Missouri?
The yearly rate is 55.2 truck crashes per 100,000 residents in Jefferson County, vs 85.9 for Missouri.
How can I plan a safer truck route in Arnold?
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.