Knoxville, IA truck route planning & crash data
Plan safer truck routes in Knoxville: commercial truck and garbage truck crashes in Knoxville and Marion County, dangerous roads, seasonality and route safety data for fleets. Patterns use Marion County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
8 of 202 truck crashes since 2015.
Deadliest roads
How Marion County compares with Iowa
Marion County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Marion County stands out
Full comparison
| Measure (2015–2025) | Marion County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 52.3 | 68.1 | 49.7 | 23% below the state |
| Deaths per 100 crashes | 2.6 | 3.5 | 3.4 | 26% below the state |
| Injuries per crash | 0.40 | 0.41 | 0.49 | same |
| Garbage-truck share | 4.1% | 2.2% | 2.3% | 1.9× the state |
| On snow, slush or ice | 12.8% | 18.7% | 6.2% | 32% below the state |
| Morning rush (6–10 am) | 23.0% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 8.7% | 15.1% | 13.8% | 43% below the state |
| Winter months (Nov–Mar) | 42.9% | 45.4% | 41.9% | same |
| After dark | 18.4% | 23.1% | 24.8% | 20% below the state |
Marion County sits below Iowa on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above Iowa on garbage-truck share.
The headline for Marion County: 1 in 25 of truck crashes here involve garbage trucks: 4.1%, vs 2.2% in Iowa.
Overview
Since 2015, 202 crashes involving commercial trucks have been reported in Marion County. They injured 81 people and killed 5.
Across the years with complete reporting, that is roughly one truck crash every 20 days.
With 34 truck crashes reported in Knoxville since 2015, this page uses Marion County numbers for its patterns and comparisons.
57% of truck crash reports in Marion County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is January with 10.9% of truck crashes; the quietest is March at 5.4%.
The five winter months (November to March) hold 42.9% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 11 am–12 pm than at any other hour (11.9%).
12.8% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of Knoxville since 2015 were spread across roads: CR-T17 (1), Mckimber Dr (1), SR-14 (1) and SR-5 (1).
Garbage & waste trucks
8 crashes involved a garbage or refuse truck, a 4.0% share (Iowa: 2.2%).
Route planning tips for Knoxville fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Marion County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-T17 | 1 |
| Mckimber Dr | 1 |
| SR-14 | 1 |
| SR-5 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Marion County) |
|---|---|
| State 163/Iowa 163 | 16 |
| State 5/Iowa 5 | 13 |
| Ia 5 | 10 |
| Ia 163 | 10 |
| Ia 14 | 8 |
| Highway T 17 | 4 |
| State 14/Iowa 14 | 4 |
| T017/Hwy T17 | 3 |
Knoxville at a glance
| Population | 7,440 |
| Land area | 4.6 sq mi |
| Density | 1,611 per sq mi |
| Median household income (ZIP 50138) | $74,693 |
| Median home value (ZIP 50138) | $195,459 |
Waste facilities and haulers nearby
Historical data: truck crashes in Marion 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 | 5 | — | 0.7 |
| 2000s | 9 | +89% | 0.5 |
| 2010s | 15 | +65% | 0.4 |
| 2020s | 17 | +16% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 17. Some of the change may reflect how crashes were reported. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Knoxville
How many truck crashes happen in Knoxville?
202 truck crashes have been reported in Marion County since 2015, with 5 deaths and 81 injuries.
What is the worst month for truck crashes in Knoxville?
The worst month is January: 10.9% of truck crashes in Marion County happen then.
How many garbage truck accidents happen in Knoxville?
Since 2015, Marion County has reported 8 garbage-truck crashes, or 4.0% of its truck crashes.
How does Knoxville compare with Iowa for truck crashes?
The yearly rate is 52.3 truck crashes per 100,000 residents in Marion County, vs 68.1 for Iowa.
What is the best way to plan truck routes in Knoxville?
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.