Monmouth, IL truck route planning & crash data
Plan safer truck routes in Monmouth: commercial truck and garbage truck crashes in Monmouth and Warren County, dangerous roads, seasonality and route safety data for fleets. Patterns use Warren County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 181 truck crashes since 2015.
Deadliest roads
How Warren County compares with Illinois
Warren County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Warren County stands out
Full comparison
| Measure (2015–2025) | Warren County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 96.4 | 56.0 | 49.7 | 1.7× the state |
| Deaths per 100 crashes | 3.5 | 2.6 | 3.4 | 1.3× the state |
| Injuries per crash | 0.54 | 0.50 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.5% | 1.4% | 2.3% | 2.6× the state |
| On snow, slush or ice | 15.7% | 9.0% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 22.7% | 24.3% | 23.7% | same |
| In rain, sleet or snow | 23.8% | 17.9% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 47.1% | 42.0% | 41.9% | 1.1× the state |
| After dark | 26.2% | 24.1% | 24.8% | 1.1× the state |
Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Warren County at a glance: 1 in 29 garbage-truck share of crashes is 3.5%, against 1.4% for Illinois.
Overview
Since 2015, 181 crashes involving commercial trucks have been reported in Warren County. They injured 100 people and killed 7.
In complete reporting years that works out to about one truck crash every 23 days.
With 76 truck crashes reported in Monmouth since 2015, this page uses Warren County numbers for its patterns and comparisons.
When crashes happen
September has the most truck crashes, 12.7% of the yearly total, while July has the fewest (4.4%).
Winter months (Nov–Mar) carry 47.1% of truck crashes, vs 42.0% for Illinois.
More truck crashes happen at 12–1 pm than at any other hour (9.9%).
Snow, slush or ice was on the road in 15.7% of truck crashes, compared with 9.0% in Illinois.
Where crashes happen
The deadliest road for trucks within 10 miles of Monmouth is SR-164, with 2 fatal large-truck crashes since 2015. Next come 6th St (1), US-34 (1) and US-67 (1).
Garbage & waste trucks
7 crashes involved a garbage or refuse truck, a 3.9% share (Illinois: 1.4%).
Route planning tips for Monmouth fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in Warren County.
- Look at alternatives to SR-164 at busy times: it leads this area in fatal truck crashes.
- Icy and snowy roads show up in 15.7% 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
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 Warren County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-164 | 2 |
| 6th St | 1 |
| US-34 | 1 |
| US-67 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Warren County) |
|---|---|
| US-34 | 36 |
| US-67 | 25 |
| Il-110 | 13 |
| 180Th Ave | 8 |
| Il-164 | 5 |
| W Us-34 | 3 |
| North Main St | 3 |
| N Main St | 3 |
Monmouth at a glance
| Population | 8,639 |
| Land area | 4.2 sq mi |
| Density | 2,036 per sq mi |
| Median household income (ZIP 61462) | $64,113 |
| Median home value (ZIP 61462) | $103,721 |
Waste facilities and haulers nearby
Historical data: truck crashes in Warren 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 | 7 | — | 1.1 |
| 2000s | 9 | +37% | 0.4 |
| 2010s | 13 | +44% | 0.3 |
| 2020s | 18 | +36% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 7 to 18. Some of the change may reflect how crashes were reported. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Monmouth
How many truck crashes happen in Monmouth?
Since 2015, 181 crashes involving commercial trucks were reported in Warren County (100 injured, 7 killed).
What is the most dangerous road for trucks in Monmouth?
Since 2015, SR-164 has had the most fatal large-truck crashes within 10 miles of Monmouth: 2.
When do most truck crashes happen in Monmouth?
The worst month is September: 12.7% of truck crashes in Warren County happen then.
How many garbage truck crashes are there in Monmouth?
Since 2015, Warren County has reported 7 garbage-truck crashes, or 3.9% of its truck crashes.
How do truck crashes in Monmouth compare with Illinois?
Warren County records 96.4 truck crashes per 100,000 residents a year, against 56.0 across Illinois.
What is the best way to plan truck routes in Monmouth?
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.