Dunlap, IA truck route planning & crash data
Plan safer truck routes in Dunlap: commercial truck and garbage truck crashes in Dunlap and Harrison County, dangerous roads, seasonality and route safety data for fleets. Patterns use Harrison County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 301 truck crashes since 2015.
Deadliest roads
How Harrison County compares with Iowa
Harrison County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Harrison County stands out
Full comparison
| Measure (2015–2025) | Harrison County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 174.0 | 68.1 | 49.7 | 2.6× the state |
| Deaths per 100 crashes | 3.9 | 3.5 | 3.4 | 1.1× the state |
| Injuries per crash | 0.46 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.1% | 2.2% | 2.3% | 51% below the state |
| On snow, slush or ice | 16.4% | 18.7% | 6.2% | 12% below the state |
| Morning rush (6–10 am) | 23.9% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 13.2% | 15.1% | 13.8% | 13% below the state |
| Winter months (Nov–Mar) | 43.6% | 45.4% | 41.9% | same |
| After dark | 18.2% | 23.1% | 24.8% | 21% below the state |
Compared with Iowa, Harrison County is lower on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Harrison County at a glance: 1 in 93 garbage-truck share of crashes is 1.1%, against 2.2% for Iowa.
Overview
Police reported 301 crashes involving commercial trucks in Harrison County since 2015: 132 people were injured and 11 were killed.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
With 2 truck crashes reported in Dunlap since 2015, this page uses Harrison County numbers for its patterns and comparisons.
69% of truck crash reports in Harrison County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
March has the most truck crashes, 12.3% of the yearly total, while December has the fewest (6.0%).
Winter months (Nov–Mar) carry 43.6% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 10–11 am, with 10.3% of truck crashes.
16.4% 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 Dunlap since 2015 were spread across roads: US-30 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 1.0% of the total, against 2.2% across Iowa.
Route planning tips for Dunlap fleets
- Build extra time into March routes: it has the most truck crashes here.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Harrison County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-30 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Harrison County) |
|---|---|
| US-30 | 24 |
| I-29 | 11 |
| Interstate 29 Northbound Near | 5 |
| Austin Ave | 5 |
| Us 30 And Redwood Ave | 3 |
| L020/Loess Hills Trl Measuring | 3 |
| L020/Loess Hills Trl And Kermi | 3 |
| Ia 127 | 3 |
Dunlap at a glance
| Population | 1,030 |
| Land area | 1.2 sq mi |
| Density | 825 per sq mi |
| Median household income (ZIP 51529) | $61,599 |
| Median home value (ZIP 51529) | $152,514 |
Waste facilities and haulers nearby
Historical data: truck crashes in Harrison 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 | 19 | +56% | 0.8 |
| 2010s | 21 | +13% | 0.7 |
| 2020s | 24 | +14% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 24. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Dunlap
How common are truck crashes in Dunlap?
301 truck crashes have been reported in Harrison County since 2015, with 11 deaths and 132 injuries.
Which month has the most truck crashes in Dunlap?
March has the most truck crashes in Harrison County, 12.3% of the yearly total.
How many garbage truck accidents happen in Dunlap?
Since 2015, Harrison County has reported 3 garbage-truck crashes, or 1.0% of its truck crashes.
How do truck crashes in Dunlap compare with Iowa?
Per 100,000 residents, Harrison County has 174.0 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in Dunlap?
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.