Greenfield, IA truck route planning & crash data
Plan safer truck routes in Greenfield: commercial truck and garbage truck crashes in Greenfield and Adair County, dangerous roads, seasonality and route safety data for fleets. Patterns use Adair County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 408 truck crashes since 2015.
Deadliest roads
How Adair County compares with Iowa
Adair County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Adair County stands out
Full comparison
| Measure (2015–2025) | Adair County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 474.7 | 68.1 | 49.7 | 7.0× the state |
| Deaths per 100 crashes | 2.8 | 3.5 | 3.4 | 20% below the state |
| Injuries per crash | 0.37 | 0.41 | 0.49 | 10% below the state |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 23.2% | 18.7% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 23.4% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 22.2% | 15.1% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 42.8% | 45.4% | 41.9% | same |
| After dark | 34.5% | 23.1% | 24.8% | 1.5× the state |
Compared with Iowa, Adair County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
Adair County at a glance: 0 garbage-truck share of crashes is 0.0%, against 2.2% for Iowa.
Overview
Since 2015, 408 crashes involving commercial trucks have been reported in Adair County. They injured 147 people and killed 11.
That averages about one truck crash every 10 days in fully reported years.
Only 2 truck crashes were reported in Greenfield since 2015; patterns below come from Adair County as a whole.
85% of truck crash reports in Adair County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in March (10.8% of the year) and are lowest in April (5.9%).
November through March accounts for 42.8% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 6–7 am, with 7.4% of truck crashes.
Road surface: 23.2% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Greenfield since 2015: SR-92 (2) and CR-N72/FONTANELLE Rd (1). No single road stands out.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Adair County since 2015.
Route planning tips for Greenfield fleets
- Build extra time into March routes: it has the most truck crashes here.
- With 23.2% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Adair County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-92 | 2 |
| CR-N72/FONTANELLE Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Adair County) |
|---|---|
| I-80 | 18 |
| Interstate 80/I 80 Wb Mm 84.9 | 6 |
| Interstate 80/I 80 | 6 |
| I 80 W 91.50Mm | 4 |
| Interstate 80/79 Mm | 4 |
| Ramp Ia 25 N To I 80 E 86.4 | 4 |
| State 92/Iowa 92 | 3 |
| Nb/Eb Interstate 0080 | 3 |
Greenfield at a glance
| Population | 1,988 |
| Land area | 1.8 sq mi |
| Density | 1,104 per sq mi |
| Median household income (ZIP 50849) | $64,821 |
| Median home value (ZIP 50849) | $146,985 |
Waste facilities and haulers nearby
Historical data: truck crashes in Adair 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 | 15 | — | 0.8 |
| 2000s | 16 | +6% | 0.8 |
| 2010s | 22 | +36% | 0.9 |
| 2020s | 43 | +96% | 1.0 |
In the 1990s about 15 truck crashes a year were reported; in the 2020s, about 43. Reporting coverage also changed between these periods. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Greenfield
How many truck crashes happen in Greenfield?
Since 2015, 408 crashes involving commercial trucks were reported in Adair County (147 injured, 11 killed).
What is the worst month for truck crashes in Greenfield?
March has the most truck crashes in Adair County, 10.8% of the yearly total.
How many garbage truck crashes are there in Greenfield?
0 crashes involving garbage or refuse trucks have been reported in Adair County since 2015, 0.0% of all truck crashes.
How do truck crashes in Greenfield compare with Iowa?
Adair County records 474.7 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in Greenfield?
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.