ZIP 50143 (Leighton, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50143: commercial truck and garbage truck crashes here and in Mahaska 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
6 of 185 truck crashes since 2015.
Deadliest roads
How Mahaska County compares with Iowa
Mahaska County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mahaska County stands out
Full comparison
| Measure (2015–2025) | Mahaska County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 74.7 | 68.1 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 6.1 | 3.5 | 3.4 | 1.7× the state |
| Injuries per crash | 0.48 | 0.41 | 0.49 | 1.2× the state |
| Garbage-truck share | 3.3% | 2.2% | 2.3% | 1.5× the state |
| On snow, slush or ice | 9.9% | 18.7% | 6.2% | 47% below the state |
| Morning rush (6–10 am) | 29.3% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 7.7% | 15.1% | 13.8% | 49% below the state |
| Winter months (Nov–Mar) | 32.0% | 45.4% | 41.9% | 29% below the state |
| After dark | 12.7% | 23.1% | 24.8% | 45% below the state |
Mahaska County sits below Iowa on on snow, slush or ice, in rain, sleet or snow and winter months (nov–mar). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Mahaska County: October worst month: 15.1% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 185 crashes involving commercial trucks in Mahaska County since 2015: 93 people were injured and 11 were killed.
In complete reporting years that works out to about one truck crash every 22 days.
When crashes happen
Truck crashes peak in October (15.1% of the year) and are lowest in February (4.9%).
The five winter months (November to March) hold 32.0% of truck crashes, against 45.4% across Iowa.
The busiest hour is 11 am–12 pm, with 11.4% of truck crashes.
Snow, slush or ice was on the road in 9.9% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 50143 since 2015 were spread across roads: SR-163 (2) and US-62 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 6 crashes, 3.2% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 50143 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Mahaska County.
- Morning starts matter: 29.3% of truck crashes fall between 6 and 10 am, higher than Iowa.
- 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 Mahaska County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-163 | 2 |
| US-62 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mahaska County) |
|---|---|
| US-63 | 14 |
| State 163/Iowa 163 | 8 |
| Ia 163 | 7 |
| Ia 92 | 7 |
| State 92/Iowa 92 And Osburn Av | 5 |
| State 92/A Ave | 4 |
| Hwy 92, Measuring 750 Feet Wes | 3 |
| G063/310Th St And Us 63 | 3 |
ZIP 50143 at a glance
| Population | 538 |
| Density | 6 per sq mi |
| Median household income | $86,023 |
| Median home value | $297,418 |
| Home ownership | 94% |
Waste facilities and haulers nearby
Historical data: truck crashes in Mahaska 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 | 10 | — | 0.7 |
| 2000s | 15 | +47% | 0.7 |
| 2010s | 16 | +3% | 1.2 |
| 2020s | 15 | -6% | 0.4 |
In the 1990s about 10 truck crashes a year were reported; in the 2020s, about 15. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50143
How many truck crashes happen in ZIP 50143?
Mahaska County has had 185 reported truck crashes since 2015, injuring 93 people and killing 11.
When do most truck crashes happen in ZIP 50143?
The worst month is October: 15.1% of truck crashes in Mahaska County happen then.
How many garbage truck accidents happen in ZIP 50143?
Garbage trucks were involved in 6 reported crashes in Mahaska County since 2015 (3.2% of truck crashes).
How does ZIP 50143 compare with Iowa for truck crashes?
Per 100,000 residents, Mahaska County has 74.7 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in ZIP 50143?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.