St. Mary, IL truck route planning & crash data
Plan safer truck routes in St. Mary: commercial truck and garbage truck crashes in St. Mary and Hancock County, dangerous roads, seasonality and route safety data for fleets. Patterns use Hancock County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 64 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Hancock County compares with Illinois
Hancock County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hancock County stands out
Full comparison
| Measure (2015–2025) | Hancock County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 32.1 | 56.0 | 49.7 | 43% below the state |
| Deaths per 100 crashes | 1.7 | 2.6 | 3.4 | 35% below the state |
| Injuries per crash | 0.40 | 0.50 | 0.49 | 20% below the state |
| Garbage-truck share | 1.7% | 1.4% | 2.3% | 1.2× the state |
| On snow, slush or ice | 6.7% | 9.0% | 6.2% | 26% below the state |
| Morning rush (6–10 am) | 23.3% | 24.3% | 23.7% | same |
| In rain, sleet or snow | 6.7% | 17.9% | 13.8% | 63% below the state |
| Winter months (Nov–Mar) | 28.3% | 42.0% | 41.9% | 33% below the state |
| After dark | 13.3% | 24.1% | 24.8% | 45% below the state |
Hancock County has lower values than Illinois for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share.
The headline for Hancock County: September worst month: 20.3% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 64 crashes involving commercial trucks have been reported in Hancock County. They injured 30 people and killed 1.
In complete reporting years that works out to about one truck crash every 67 days.
St. Mary had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Hancock County numbers.
When crashes happen
September has the most truck crashes, 20.3% of the yearly total, while April has the fewest (0.0%).
Winter months (Nov–Mar) carry 28.3% of truck crashes, vs 42.0% for Illinois.
The busiest hour is 2–3 pm, with 14.1% of truck crashes.
6.7% of truck crashes here happened on snow, slush or ice, against 9.0% across Illinois.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of St. Mary.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.6%, compared with 1.4% in Illinois.
Route planning tips for St. Mary fleets
- Review driver schedules for September, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Hancock County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hancock County) |
|---|---|
| SR-336 | 5 |
| Buchanan St | 4 |
| US-136 | 3 |
| Il-94 | 3 |
| Il-110 | 3 |
| E County Road 900 | 2 |
| E Hwy 336 | 2 |
| Il Route 336 | 2 |
St. Mary at a glance
| Population | 543 |
| Land area | 37.0 sq mi |
| Density | 15 per sq mi |
| Median household income (ZIP 62367) | $58,000 |
| Median home value (ZIP 62367) | $115,878 |
Waste facilities and haulers nearby
Historical data: truck crashes in Hancock 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 | 4 | — | 0.3 |
| 2000s | 5 | +11% | 0.5 |
| 2010s | 6 | +26% | 0.2 |
| 2020s | 6 | +3% | 0.0 |
In the 1990s about 4 truck crashes a year were reported; in the 2020s, about 6. Reporting coverage also changed between these periods.
Nearby places
Questions fleets ask about St. Mary
How many truck crashes happen in St. Mary?
64 truck crashes have been reported in Hancock County since 2015, with 1 deaths and 30 injuries.
What is the worst month for truck crashes in St. Mary?
September has the most truck crashes in Hancock County, 20.3% of the yearly total.
How many garbage truck crashes are there in St. Mary?
Garbage trucks were involved in 1 reported crash in Hancock County since 2015 (1.6% of truck crashes).
What is the truck crash rate in St. Mary compared with Illinois?
The yearly rate is 32.1 truck crashes per 100,000 residents in Hancock County, vs 56.0 for Illinois.
What is the best way to plan truck routes in St. Mary?
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.