Seneca Township, IL truck route planning & crash data
Plan safer truck routes in Seneca Township: commercial truck and garbage truck crashes in Seneca Township and McHenry County, dangerous roads, seasonality and route safety data for fleets. Patterns use McHenry County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2.9 deaths per 100 garbage-truck crashes vs 2.9 for all trucks.
Deadliest roads
How McHenry County compares with Illinois
McHenry County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where McHenry County stands out
Full comparison
| Measure (2015–2025) | McHenry County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 29.7 | 56.0 | 49.7 | 47% below the state |
| Deaths per 100 crashes | 2.9 | 2.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.47 | 0.50 | 0.49 | same |
| Garbage-truck share | 3.3% | 1.4% | 2.3% | 2.4× the state |
| On snow, slush or ice | 12.0% | 9.0% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 27.8% | 24.3% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 16.3% | 17.9% | 13.8% | 9% below the state |
| Winter months (Nov–Mar) | 42.2% | 42.0% | 41.9% | same |
| After dark | 16.4% | 24.1% | 24.8% | 32% below the state |
McHenry County sits below Illinois on crashes per 100k residents / yr, in rain, sleet or snow and after dark. It runs above Illinois on deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
McHenry County at a glance: 1 in 30 crashes involve a garbage truck (36 since 2015), vs 1.4% across Illinois.
Overview
Since 2015, 1,104 crashes involving commercial trucks have been reported in McHenry County. They injured 530 people and killed 30.
Across the years with complete reporting, that is roughly one truck crash every 4 days.
Only 36 truck crashes were reported in Seneca Township since 2015; patterns below come from McHenry County as a whole.
When crashes happen
Truck crashes peak in July (10.5% of the year) and are lowest in April (6.0%).
Winter months (Nov–Mar) carry 42.2% of truck crashes, vs 42.0% for Illinois.
More truck crashes happen at 11 am–12 pm than at any other hour (8.3%).
Road surface: 12.0% of truck crashes were on snow, slush or ice (Illinois: 9.0%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Seneca since 2015: SR-23 (3), US-20 (3), I-90 (2), SR-176 (2) and CR-31 Harmony Rd (1). No single road stands out.
Garbage & waste trucks
36 crashes involved a garbage or refuse truck, a 3.3% share (Illinois: 1.4%).
The most garbage-truck crashes happen in January (17%).
Per 100 crashes, garbage trucks recorded 2.9 deaths compared with 2.9 for all trucks.
Route planning tips for Seneca Township fleets
- Build extra time into July routes: it has the most truck crashes here.
- For residential and commercial waste routes, look again at January schedules: garbage-truck crashes peak then.
- The morning rush (6–10 am) holds 27.8% of truck crashes here, more than Illinois; adjust start times where you can.
- 12.0% of truck crashes were on snow, slush or ice, above Illinois; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 McHenry County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-23 | 3 |
| US-20 | 3 |
| I-90 | 2 |
| SR-176 | 2 |
| CR-31 Harmony Rd | 1 |
| CR-A44 | 1 |
| SR-47 | 1 |
| US-14 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (McHenry County) |
|---|---|
| I-90 | 92 |
| US-14 | 48 |
| Il-31 | 47 |
| Il-176 | 40 |
| Il-47 | 24 |
| Algonquin Rd | 19 |
| US-20 | 19 |
| Illinois Route 47 | 16 |
Seneca Township at a glance
| Population | 2,882 |
| Land area | 35.9 sq mi |
| Density | 80 per sq mi |
| Median household income (ZIP 60098) | $91,062 |
| Median home value (ZIP 60098) | $272,558 |
Waste facilities and haulers nearby
Historical data: truck crashes in McHenry 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 | 52 | — | 3.8 |
| 2000s | 80 | +54% | 3.1 |
| 2010s | 88 | +10% | 1.4 |
| 2020s | 92 | +4% | 1.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 52 to 92. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 2.2 a year in 2016–19, 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Seneca Township
How many truck crashes happen in Seneca Township?
McHenry County has had 1,104 reported truck crashes since 2015, injuring 530 people and killing 30.
What is the worst month for truck crashes in Seneca Township?
Truck crashes in McHenry County peak in July, with 10.5% of the year's crashes.
Are garbage truck crashes common in Seneca Township?
Since 2015, McHenry County has reported 36 garbage-truck crashes, or 3.3% of its truck crashes.
How does Seneca Township compare with Illinois for truck crashes?
Per 100,000 residents, McHenry County has 29.7 truck crashes a year; Illinois has 56.0.
How do I plan a garbage truck route in Seneca Township?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.