Rock Grove, IL truck route planning & crash data
Plan safer truck routes in Rock Grove: commercial truck and garbage truck crashes in Rock Grove and Stephenson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Stephenson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 199 truck crashes since 2015.
Deadliest roads
How Stephenson County compares with Illinois
Stephenson County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Stephenson County stands out
Full comparison
| Measure (2015–2025) | Stephenson County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 40.3 | 56.0 | 49.7 | 28% below the state |
| Deaths per 100 crashes | 5.2 | 2.6 | 3.4 | 2.0× the state |
| Injuries per crash | 0.50 | 0.50 | 0.49 | same |
| Garbage-truck share | 2.1% | 1.4% | 2.3% | 1.5× the state |
| On snow, slush or ice | 13.1% | 9.0% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 24.1% | 24.3% | 23.7% | same |
| In rain, sleet or snow | 17.8% | 17.9% | 13.8% | same |
| Winter months (Nov–Mar) | 42.4% | 42.0% | 41.9% | same |
| After dark | 22.5% | 24.1% | 24.8% | same |
Stephenson County sits below Illinois on crashes per 100k residents / yr. It stands out for higher deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
What stands out in Stephenson County: 5.2 people killed per 100 truck crashes (Illinois: 2.6).
Overview
Stephenson County has recorded 199 truck crashes since 2015, with 104 people injured and 11 killed.
Across the years with complete reporting, that is roughly one truck crash every 21 days.
Rock Grove had 1 reported truck crash since 2015, too few for reliable patterns, so the charts and findings on this page use Stephenson County numbers.
When crashes happen
Truck crashes peak in August (12.1% of the year) and are lowest in April (5.0%).
The five winter months (November to March) hold 42.4% of truck crashes, against 42.0% across Illinois.
More truck crashes happen at 12–1 pm than at any other hour (10.6%).
Snow, slush or ice was on the road in 13.1% of truck crashes, compared with 9.0% in Illinois.
Where crashes happen
The deadliest road for trucks within 10 miles of Rock Grove is SR-11, with 3 fatal large-truck crashes since 2015. Next come SR-26 (1), SR-70 (1) and SR-75 (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 2.0%, compared with 1.4% in Illinois.
Route planning tips for Rock Grove fleets
- Build extra time into August routes: it has the most truck crashes here.
- Where you can, review stops along SR-11; it has the most fatal large-truck crashes nearby.
- Icy and snowy roads show up in 13.1% of truck crashes here, more than Illinois; schedule winter checks early.
- 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 Stephenson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-11 | 3 |
| SR-26 | 1 |
| SR-70 | 1 |
| SR-75 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Stephenson County) |
|---|---|
| US-20 | 28 |
| Il-75 | 8 |
| Ulysses S Grant Memorial | 8 |
| W Us-20 | 7 |
| Il-26 | 7 |
| E Cedarville Rd | 5 |
| E Us-20 | 4 |
| Il-73 | 4 |
Rock Grove at a glance
| Population | 1,453 |
| Land area | 30.3 sq mi |
| Density | 48 per sq mi |
| Median household income (ZIP 61019) | $105,150 |
| Median home value (ZIP 61019) | $233,366 |
Waste facilities and haulers nearby
Historical data: truck crashes in Stephenson 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 | 8 | — | 0.7 |
| 2000s | 14 | +77% | 0.8 |
| 2010s | 18 | +22% | 0.5 |
| 2020s | 17 | -3% | 1.0 |
Reported truck crashes averaged 8 a year in the 1990s and 17 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Rock Grove
How many truck crashes happen in Rock Grove?
Since 2015, 199 crashes involving commercial trucks were reported in Stephenson County (104 injured, 11 killed).
Where do fatal truck crashes happen most in Rock Grove?
SR-11 had 3 fatal crashes involving a large truck within 10 miles of Rock Grove since 2015, more than any other road.
When do most truck crashes happen in Rock Grove?
Truck crashes in Stephenson County peak in August, with 12.1% of the year's crashes.
How many garbage truck accidents happen in Rock Grove?
Since 2015, Stephenson County has reported 4 garbage-truck crashes, or 2.0% of its truck crashes.
How do truck crashes in Rock Grove compare with Illinois?
The yearly rate is 40.3 truck crashes per 100,000 residents in Stephenson County, vs 56.0 for Illinois.
How can I plan a safer truck route in Rock Grove?
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.