Carlisle, IA truck route planning & crash data
Plan safer truck routes in Carlisle: commercial truck and garbage truck crashes in Carlisle and Warren County, dangerous roads, seasonality and route safety data for fleets. Patterns use Warren County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 291 truck crashes since 2015.
Deadliest roads
How Warren County compares with Iowa
Warren County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Warren County stands out
Full comparison
| Measure (2015–2025) | Warren County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 43.7 | 68.1 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 3.3 | 3.5 | 3.4 | same |
| Injuries per crash | 0.29 | 0.41 | 0.49 | 29% below the state |
| Garbage-truck share | 2.6% | 2.2% | 2.3% | 1.2× the state |
| On snow, slush or ice | 15.1% | 18.7% | 6.2% | 19% below the state |
| Morning rush (6–10 am) | 17.0% | 24.0% | 23.7% | 29% below the state |
| In rain, sleet or snow | 14.8% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 39.9% | 45.4% | 41.9% | 12% below the state |
| After dark | 26.9% | 23.1% | 24.8% | 1.2× the state |
Warren County sits below Iowa on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. Where it is higher: garbage-truck share and after dark.
What stands out in Carlisle: SR-163 4 fatal truck crashes since 2015, more than any other road within 10 miles of Carlisle.
Overview
Police reported 291 crashes involving commercial trucks in Warren County since 2015: 82 people were injured and 9 were killed.
In complete reporting years that works out to about one truck crash every 15 days.
Only 14 truck crashes were reported in Carlisle since 2015; patterns below come from Warren County as a whole.
62% of truck crash reports in Warren County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in August (11.3% of the year) and are lowest in December (5.2%).
November through March accounts for 39.9% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 3–4 pm than at any other hour (10.3%).
Snow, slush or ice was on the road in 15.1% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
The deadliest road for trucks within 10 miles of Carlisle is SR-163, with 4 fatal large-truck crashes since 2015. After it: US-65 (3), 8th St Sw (1) and E Army Post Rd (1).
Garbage & waste trucks
7 crashes involved a garbage or refuse truck, a 2.4% share (Iowa: 2.2%).
Route planning tips for Carlisle fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Warren County.
- Check whether your routes use SR-163, the road with the most fatal truck crashes in this area.
- 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 Warren County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-163 | 4 |
| US-65 | 3 |
| 8th St Sw | 1 |
| E Army Post Rd | 1 |
| Grand Ave | 1 |
| Guthrie Ave | 1 |
| I-235 | 1 |
| Ne 46th St | 1 |
| SR-5 | 1 |
| US-6 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Warren County) |
|---|---|
| I-35 | 9 |
| Ia 5 | 8 |
| US-65 | 8 |
| Blk. N. Jefferson Way | 7 |
| Blk N Jefferson Way | 6 |
| Blk. W. Second Ave. | 5 |
| State 92/Iowa 92 | 4 |
| State 5/Iowa 5 And G016/Scotch | 3 |
Carlisle at a glance
| Population | 4,381 |
| Land area | 5.7 sq mi |
| Density | 775 per sq mi |
| Median household income (ZIP 50047) | $106,389 |
| Median home value (ZIP 50047) | $250,422 |
Waste facilities and haulers nearby
Historical data: truck crashes in Warren 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 | 6 | — | 0.5 |
| 2000s | 19 | +231% | 0.7 |
| 2010s | 23 | +16% | 1.3 |
| 2020s | 26 | +16% | 0.4 |
Reported truck crashes averaged 6 a year in the 1990s and 26 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 1.5 a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Carlisle
How common are truck crashes in Carlisle?
Since 2015, 291 crashes involving commercial trucks were reported in Warren County (82 injured, 9 killed).
Which road has the most fatal truck crashes in Carlisle?
SR-163 had 4 fatal crashes involving a large truck within 10 miles of Carlisle since 2015, more than any other road.
Which month has the most truck crashes in Carlisle?
Truck crashes in Warren County peak in August, with 11.3% of the year's crashes.
How many garbage truck accidents happen in Carlisle?
Since 2015, Warren County has reported 7 garbage-truck crashes, or 2.4% of its truck crashes.
What is the truck crash rate in Carlisle compared with Iowa?
The yearly rate is 43.7 truck crashes per 100,000 residents in Warren County, vs 68.1 for Iowa.
How can I plan a safer truck route in Carlisle?
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.