Denning, IL truck route planning & crash data
Plan safer truck routes in Denning: commercial truck and garbage truck crashes in Denning and Franklin County, dangerous roads, seasonality and route safety data for fleets. Patterns use Franklin County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 467 truck crashes since 2015.
Deadliest roads
How Franklin County compares with Illinois
Franklin County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Franklin County stands out
Full comparison
| Measure (2015–2025) | Franklin County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 109.5 | 56.0 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 2.9 | 2.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.57 | 0.50 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.1% | 1.4% | 2.3% | 18% below the state |
| On snow, slush or ice | 5.6% | 9.0% | 6.2% | 38% below the state |
| Morning rush (6–10 am) | 19.5% | 24.3% | 23.7% | 20% below the state |
| In rain, sleet or snow | 14.3% | 17.9% | 13.8% | 20% below the state |
| Winter months (Nov–Mar) | 39.9% | 42.0% | 41.9% | same |
| After dark | 37.0% | 24.1% | 24.8% | 1.5× the state |
Franklin County has lower values than Illinois for garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It runs above Illinois on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Franklin County at a glance: 37.0% share of truck crashes after dark (Illinois: 24.1%).
Overview
Since 2015, 467 crashes involving commercial trucks have been reported in Franklin County. They injured 257 people and killed 13.
That averages about one truck crash every 9 days in fully reported years.
Denning had 103 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Franklin County numbers.
When crashes happen
Truck crashes peak in June (11.3% of the year) and are lowest in March (6.2%).
November through March accounts for 39.9% of truck crashes here, compared with 42.0% in Illinois.
By time of day, 11 am–12 pm stands out with 7.5% of truck crashes.
Snow, slush or ice was on the road in 5.6% of truck crashes, compared with 9.0% in Illinois.
Where crashes happen
The deadliest road for trucks within 10 miles of Denning is I-57, with 6 fatal large-truck crashes since 2015. Next come SR-148 (2), SR-149 (2) and SR-37 (2).
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 1.1% share (Illinois: 1.4%).
Route planning tips for Denning fleets
- Build extra time into June routes: it has the most truck crashes here.
- Look at alternatives to I-57 at busy times: it leads this area in fatal truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Franklin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-57 | 6 |
| SR-148 | 2 |
| SR-149 | 2 |
| SR-37 | 2 |
| E Clark Trail | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Franklin County) |
|---|---|
| I-57 | 307 |
| Il-14 | 8 |
| Il-154 | 5 |
| I-057 | 4 |
| State Highway 37 | 3 |
| State Highway 14 | 3 |
| Logan St | 3 |
| Il-149 | 3 |
Denning at a glance
| Population | 4,651 |
| Land area | 35.8 sq mi |
| Density | 130 per sq mi |
| Median household income (ZIP 62874) | $40,625 |
| Median home value (ZIP 62874) | $56,050 |
Waste facilities and haulers nearby
Historical data: truck crashes in Franklin 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 | 9 | — | 0.7 |
| 2000s | 18 | +88% | 1.0 |
| 2010s | 32 | +80% | 0.8 |
| 2020s | 48 | +53% | 1.4 |
Reported truck crashes averaged 9 a year in the 1990s and 48 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 1.4 a year in 2020–24.
Nearby places
Questions fleets ask about Denning
How many truck crashes happen in Denning?
Franklin County has had 467 reported truck crashes since 2015, injuring 257 people and killing 13.
Where do fatal truck crashes happen most in Denning?
Since 2015, I-57 has had the most fatal large-truck crashes within 10 miles of Denning: 6.
What is the worst month for truck crashes in Denning?
The worst month is June: 11.3% of truck crashes in Franklin County happen then.
Are garbage truck crashes common in Denning?
Garbage trucks were involved in 5 reported crashes in Franklin County since 2015 (1.1% of truck crashes).
How do truck crashes in Denning compare with Illinois?
Per 100,000 residents, Franklin County has 109.5 truck crashes a year; Illinois has 56.0.
How do I plan a garbage truck route in Denning?
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.