Rock City, IL truck route planning & crash data
Plan safer truck routes in Rock City: commercial truck and garbage truck crashes in Rock City 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 |
Compared with Illinois, Stephenson County is lower on crashes per 100k residents / yr. Where it is higher: deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
Stephenson County at a glance: 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.
With 1 truck crash reported in Rock City since 2015, this page uses Stephenson County numbers for its patterns and comparisons.
When crashes happen
The worst month is August with 12.1% of truck crashes; the quietest is April at 5.0%.
Winter months (Nov–Mar) carry 42.4% of truck crashes, vs 42.0% for Illinois.
The busiest hour is 12–1 pm, with 10.6% of truck crashes.
13.1% of truck crashes here happened on snow, slush or ice, against 9.0% across Illinois.
Where crashes happen
SR-75 leads within 10 miles of Rock City with 2 fatal crashes involving a large truck since 2015. It is followed by SR-26 (1), SR-70 (1) and Sr- 26 (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 2.0% share (Illinois: 1.4%).
Route planning tips for Rock City fleets
- Review driver schedules for August, the month with the most truck crashes.
- Where you can, review stops along SR-75; 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.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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-75 | 2 |
| SR-26 | 1 |
| SR-70 | 1 |
| Sr- 26 | 1 |
| US-20 | 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 City at a glance
| Population | 287 |
| Land area | 0.1 sq mi |
| Density | 2,110 per sq mi |
| Median household income (ZIP 61070) | $84,167 |
| Median home value (ZIP 61070) | $157,871 |
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 |
In the 1990s about 8 truck crashes a year were reported; in the 2020s, about 17. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.5 a year in 2016–19, 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Rock City
How many truck crashes happen in Rock City?
Stephenson County has had 199 reported truck crashes since 2015, injuring 104 people and killing 11.
What is the most dangerous road for trucks in Rock City?
Since 2015, SR-75 has had the most fatal large-truck crashes within 10 miles of Rock City: 2.
What is the worst month for truck crashes in Rock City?
August has the most truck crashes in Stephenson County, 12.1% of the yearly total.
How many garbage truck accidents happen in Rock City?
Since 2015, Stephenson County has reported 4 garbage-truck crashes, or 2.0% of its truck crashes.
How do truck crashes in Rock City compare with Illinois?
Per 100,000 residents, Stephenson County has 40.3 truck crashes a year; Illinois has 56.0.
How can I plan a safer truck route in Rock City?
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.