Dupo, IL truck route planning & crash data
Plan safer truck routes in Dupo: commercial truck and garbage truck crashes in Dupo and St. Clair County, dangerous roads, seasonality and route safety data for fleets. Patterns use St. Clair County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 3.0 for all trucks.
Deadliest roads
How St. Clair County compares with Illinois
St. Clair County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Clair County stands out
Full comparison
| Measure (2015–2025) | St. Clair County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 68.3 | 56.0 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.0 | 2.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.57 | 0.50 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.8% | 1.4% | 2.3% | 1.4× the state |
| On snow, slush or ice | 4.4% | 9.0% | 6.2% | 51% below the state |
| Morning rush (6–10 am) | 23.4% | 24.3% | 23.7% | same |
| In rain, sleet or snow | 15.3% | 17.9% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 43.0% | 42.0% | 41.9% | same |
| After dark | 24.4% | 24.1% | 24.8% | same |
Compared with Illinois, St. Clair County is lower on on snow, slush or ice and in rain, sleet or snow. It runs above Illinois on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Dupo at a glance: I-55 most fatal truck crashes within 10 miles of Dupo: 10 since 2015.
Overview
Since 2015, 2,013 crashes involving commercial trucks have been reported in St. Clair County. They injured 1,143 people and killed 59.
That averages about one truck crash every 2 days in fully reported years.
Dupo had 13 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use St. Clair County numbers.
When crashes happen
January has the most truck crashes, 10.0% of the yearly total, while September has the fewest (6.9%).
Winter months (Nov–Mar) carry 43.0% of truck crashes, vs 42.0% for Illinois.
The busiest hour is 2–3 pm, with 7.5% of truck crashes.
4.4% of truck crashes here happened on snow, slush or ice, against 9.0% across Illinois.
Where crashes happen
I-55 leads within 10 miles of Dupo with 10 fatal crashes involving a large truck since 2015. After it: I-44 (8), SR-3 (5) and I-64 (4).
Garbage & waste trucks
Garbage trucks account for 37 of the truck crashes here, or 1.8%, compared with 1.4% in Illinois.
The most garbage-truck crashes happen in December (16%).
Per 100 crashes, garbage trucks recorded 0.0 deaths compared with 3.0 for all trucks.
Route planning tips for Dupo fleets
- Build extra time into January routes: it has the most truck crashes here.
- Where you can, review stops along I-55; it has the most fatal large-truck crashes nearby.
- Waste haulers: December is the peak month for garbage-truck crashes in St. Clair County.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 St. Clair County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-55 | 10 |
| I-44 | 8 |
| SR-3 | 5 |
| I-64 | 4 |
| I-70 | 4 |
| I-255 | 3 |
| SR-158 | 3 |
| 14th St | 1 |
| 4th St | 1 |
| 50th St | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Clair County) |
|---|---|
| I-64 | 421 |
| I-55 | 231 |
| I-255 | 118 |
| Mississippi Ave | 59 |
| I-70 | 50 |
| Il-13 | 20 |
| US-50 | 19 |
| Camp Jackson Rd | 17 |
Dupo at a glance
| Population | 3,797 |
| Land area | 6.4 sq mi |
| Density | 593 per sq mi |
| Median household income (ZIP 62240) | $96,063 |
| Median home value (ZIP 62240) | $119,025 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Clair 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 | 67 | — | 5.2 |
| 2000s | 117 | +74% | 3.4 |
| 2010s | 143 | +23% | 3.4 |
| 2020s | 180 | +26% | 4.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 67 to 180. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 4.5 a year in 2016–19 and 4.8 a year in 2020–24.
Nearby places
Questions fleets ask about Dupo
How common are truck crashes in Dupo?
St. Clair County has had 2,013 reported truck crashes since 2015, injuring 1,143 people and killing 59.
Which road has the most fatal truck crashes in Dupo?
NHTSA data shows I-55 with 10 fatal large-truck crashes within 10 miles of Dupo since 2015, the highest of any road.
Which month has the most truck crashes in Dupo?
The worst month is January: 10.0% of truck crashes in St. Clair County happen then.
Are garbage truck crashes common in Dupo?
Since 2015, St. Clair County has reported 37 garbage-truck crashes, or 1.8% of its truck crashes.
How do truck crashes in Dupo compare with Illinois?
St. Clair County records 68.3 truck crashes per 100,000 residents a year, against 56.0 across Illinois.
How do I plan a garbage truck route in Dupo?
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.