Diamondhead Lake, IA truck route planning & crash data
Plan safer truck routes in Diamondhead Lake: commercial truck and garbage truck crashes in Diamondhead Lake and Dallas County, dangerous roads, seasonality and route safety data for fleets. Patterns use Dallas County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
9 of 638 truck crashes since 2015.
Deadliest roads
How Dallas County compares with Iowa
Dallas County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Dallas County stands out
Full comparison
| Measure (2015–2025) | Dallas County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 47.0 | 68.1 | 49.7 | 31% below the state |
| Deaths per 100 crashes | 3.2 | 3.5 | 3.4 | 9% below the state |
| Injuries per crash | 0.35 | 0.41 | 0.49 | 15% below the state |
| Garbage-truck share | 1.5% | 2.2% | 2.3% | 31% below the state |
| On snow, slush or ice | 16.3% | 18.7% | 6.2% | 13% below the state |
| Morning rush (6–10 am) | 21.1% | 24.0% | 23.7% | 12% below the state |
| In rain, sleet or snow | 15.9% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 41.4% | 45.4% | 41.9% | 9% below the state |
| After dark | 26.0% | 23.1% | 24.8% | 1.1× the state |
Dallas County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. Where it is higher: after dark.
What stands out in Dallas County: 1 in 66 crashes involve a garbage truck (9 since 2015), vs 2.2% across Iowa.
Overview
Dallas County has recorded 638 truck crashes since 2015, with 229 people injured and 19 killed.
That averages about one truck crash every 7 days in fully reported years.
Diamondhead Lake had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Dallas County numbers.
53% of truck crash reports in Dallas County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in July (10.5% of the year) and are lowest in March (4.7%).
The five winter months (November to March) hold 41.4% of truck crashes, against 45.4% across Iowa.
The busiest hour is 11 am–12 pm, with 8.5% of truck crashes.
Snow, slush or ice was on the road in 16.3% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of Diamondhead Lake since 2015 were spread across roads: I-80 (3).
Garbage & waste trucks
Garbage and refuse trucks were involved in 9 crashes, 1.4% of the total, against 2.2% across Iowa.
Route planning tips for Diamondhead Lake fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Dallas County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Dallas County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-80 | 3 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Dallas County) |
|---|---|
| I-80 | 65 |
| Interstate 80/I 80 | 31 |
| Ia 141 | 7 |
| Ia 44 | 6 |
| State 141/Iowa 141 | 6 |
| State 44/240Th St | 6 |
| US-6 | 5 |
| Us 169/N Ave | 5 |
Diamondhead Lake at a glance
| Land area | 1.0 sq mi |
| Median household income (ZIP 50233) | $78,984 |
| Median home value (ZIP 50233) | $204,833 |
Waste facilities and haulers nearby
Historical data: truck crashes in Dallas 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 | 11 | — | 0.9 |
| 2000s | 31 | +181% | 1.1 |
| 2010s | 40 | +29% | 0.4 |
| 2020s | 60 | +48% | 2.4 |
In the 1990s about 11 truck crashes a year were reported; in the 2020s, about 60. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.2 a year in 2016–19, 2.4 a year in 2020–24.
Nearby places
Questions fleets ask about Diamondhead Lake
How common are truck crashes in Diamondhead Lake?
638 truck crashes have been reported in Dallas County since 2015, with 19 deaths and 229 injuries.
Which month has the most truck crashes in Diamondhead Lake?
July has the most truck crashes in Dallas County, 10.5% of the yearly total.
How many garbage truck accidents happen in Diamondhead Lake?
Since 2015, Dallas County has reported 9 garbage-truck crashes, or 1.4% of its truck crashes.
How does Diamondhead Lake compare with Iowa for truck crashes?
Per 100,000 residents, Dallas County has 47.0 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in Diamondhead Lake?
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.