Delmar, IA truck route planning & crash data
Plan safer truck routes in Delmar: commercial truck and garbage truck crashes in Delmar and Clinton County, dangerous roads, seasonality and route safety data for fleets. Patterns use Clinton County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
8 of 287 truck crashes since 2015.
Deadliest roads
How Clinton County compares with Iowa
Clinton County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clinton County stands out
Full comparison
| Measure (2015–2025) | Clinton County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 55.1 | 68.1 | 49.7 | 19% below the state |
| Deaths per 100 crashes | 2.9 | 3.5 | 3.4 | 17% below the state |
| Injuries per crash | 0.43 | 0.41 | 0.49 | same |
| Garbage-truck share | 2.9% | 2.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 9.7% | 18.7% | 6.2% | 48% below the state |
| Morning rush (6–10 am) | 27.6% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 9.7% | 15.1% | 13.8% | 36% below the state |
| Winter months (Nov–Mar) | 38.4% | 45.4% | 41.9% | 16% below the state |
| After dark | 12.2% | 23.1% | 24.8% | 47% below the state |
Compared with Iowa, Clinton County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: garbage-truck share and morning rush (6–10 am).
What stands out in Clinton County: August worst month: 11.8% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 287 crashes involving commercial trucks have been reported in Clinton County. They injured 119 people and killed 8.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
Delmar had 2 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Clinton County numbers.
36% of truck crash reports in Clinton County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
August has the most truck crashes, 11.8% of the yearly total, while February has the fewest (4.9%).
November through March accounts for 38.4% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 3–4 pm than at any other hour (11.5%).
Snow, slush or ice was on the road in 9.7% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Delmar since 2015: US-61 (3). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 8 of the truck crashes here, or 2.8%, compared with 2.2% in Iowa.
Route planning tips for Delmar fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Clinton County.
- Morning starts matter: 27.6% 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 Clinton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-61 | 3 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clinton County) |
|---|---|
| US-30 | 15 |
| Us 30/Lincoln Way | 7 |
| Us 30/Camanche Ave | 6 |
| Ramp Us 30 W To Us 61 | 5 |
| US-61 | 4 |
| Us 61 N And 250Th Ave | 4 |
| Us 67/S 4Th St And Us 30/S 4Th | 3 |
| Us 30/Ramp | 3 |
Delmar at a glance
| Population | 541 |
| Land area | 0.8 sq mi |
| Density | 708 per sq mi |
| Median household income (ZIP 52037) | $90,813 |
| Median home value (ZIP 52037) | $198,893 |
Waste facilities and haulers nearby
Historical data: truck crashes in Clinton 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 | 28 | — | 1.0 |
| 2000s | 27 | -5% | 1.4 |
| 2010s | 25 | -5% | 0.8 |
| 2020s | 26 | +1% | 0.2 |
In the 1990s about 28 truck crashes a year were reported; in the 2020s, about 26. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Delmar
How many truck crashes happen in Delmar?
Since 2015, 287 crashes involving commercial trucks were reported in Clinton County (119 injured, 8 killed).
Which month has the most truck crashes in Delmar?
August has the most truck crashes in Clinton County, 11.8% of the yearly total.
Are garbage truck crashes common in Delmar?
Garbage trucks were involved in 8 reported crashes in Clinton County since 2015 (2.8% of truck crashes).
What is the truck crash rate in Delmar compared with Iowa?
Clinton County records 55.1 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How can I plan a safer truck route in Delmar?
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.