ZIP 50138 (Knoxville, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50138: commercial truck and garbage truck crashes here and in Marion County, dangerous roads, seasonality and route safety data for fleets.
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 |
Compared with Iowa, Marion County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above Iowa on garbage-truck share.
What stands out in Marion County: 1 in 25 garbage-truck share of crashes is 4.1%, against 2.2% for Iowa.
Overview
Since 2015, 202 crashes involving commercial trucks have been reported in Marion County. They injured 81 people and killed 5.
That averages about one truck crash every 20 days in fully reported years.
When crashes happen
Truck crashes peak in January (10.9% of the year) and are lowest in March (5.4%).
Winter months (Nov–Mar) carry 42.9% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 11 am–12 pm, with 11.9% of truck crashes.
Snow, slush or ice was on the road in 12.8% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 50138 happened on CR-T17 (1), Mckimber Dr (1), SR-14 (1) and SR-5 (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 8 crashes, 4.0% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 50138 fleets
- Build extra time into January routes: it has the most truck crashes here.
- 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 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 |
ZIP 50138 at a glance
| Population | 11,117 |
| Density | 26 per sq mi |
| Median household income | $74,693 |
| Median home value | $195,459 |
| Home ownership | 81% |
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 |
Reported truck crashes averaged 5 a year in the 1990s and 17 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50138
How many truck accidents are there in ZIP 50138?
Marion County has had 202 reported truck crashes since 2015, injuring 81 people and killing 5.
What is the worst month for truck crashes in ZIP 50138?
January has the most truck crashes in Marion County, 10.9% of the yearly total.
Are garbage truck crashes common in ZIP 50138?
Since 2015, Marion County has reported 8 garbage-truck crashes, or 4.0% of its truck crashes.
How do truck crashes in ZIP 50138 compare with Iowa?
Per 100,000 residents, Marion County has 52.3 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in ZIP 50138?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.