Mazon, IL truck route planning & crash data
Plan safer truck routes in Mazon: commercial truck and garbage truck crashes in Mazon and Grundy County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grundy County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 759 truck crashes since 2015.
Deadliest roads
How Grundy County compares with Illinois
Grundy County against Illinois and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grundy County stands out
Full comparison
| Measure (2015–2025) | Grundy County | Illinois | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 121.4 | 56.0 | 49.7 | 2.2× the state |
| Deaths per 100 crashes | 5.1 | 2.6 | 3.4 | 2.0× the state |
| Injuries per crash | 0.47 | 0.50 | 0.49 | same |
| Garbage-truck share | 0.3% | 1.4% | 2.3% | 79% below the state |
| On snow, slush or ice | 13.6% | 9.0% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 20.3% | 24.3% | 23.7% | 17% below the state |
| In rain, sleet or snow | 20.2% | 17.9% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 46.3% | 42.0% | 41.9% | 1.1× the state |
| After dark | 31.4% | 24.1% | 24.8% | 1.3× the state |
Compared with Illinois, Grundy County is lower on garbage-truck share and morning rush (6–10 am). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Grundy County: 1 in 357 crashes involve a garbage truck (2 since 2015), vs 1.4% across Illinois.
Overview
Since 2015, 759 crashes involving commercial trucks have been reported in Grundy County. They injured 353 people and killed 38.
That averages about one truck crash every 6 days in fully reported years.
With 10 truck crashes reported in Mazon since 2015, this page uses Grundy County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in January (12.1% of the year) and are lowest in October (6.1%).
Winter months (Nov–Mar) carry 46.3% of truck crashes, vs 42.0% for Illinois.
The busiest hour is 11 am–12 pm, with 8.6% of truck crashes.
Snow, slush or ice was on the road in 13.6% of truck crashes, compared with 9.0% in Illinois.
Where crashes happen
The deadliest road for trucks within 10 miles of Mazon is I-55, with 4 fatal large-truck crashes since 2015. Next come I-80 (3), SR-47 (2) and CR-52 Campus Rd (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 0.3% share (Illinois: 1.4%).
Route planning tips for Mazon fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to I-55 at busy times: it leads this area in fatal truck crashes.
- Icy and snowy roads show up in 13.6% of truck crashes here, more than Illinois; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Grundy County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-55 | 4 |
| I-80 | 3 |
| SR-47 | 2 |
| CR-52 Campus Rd | 1 |
| SR-113 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grundy County) |
|---|---|
| I-80 | 193 |
| I-55 | 56 |
| N Division St | 22 |
| Il-47 | 21 |
| N Il-47 | 15 |
| Division St | 13 |
| I-080 | 11 |
| E Pine Bluff Rd | 10 |
Mazon at a glance
| Population | 982 |
| Land area | 0.6 sq mi |
| Density | 1,631 per sq mi |
| Median household income (ZIP 60444) | $87,614 |
| Median home value (ZIP 60444) | $219,061 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grundy 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 | 20 | — | 1.3 |
| 2000s | 42 | +112% | 1.3 |
| 2010s | 56 | +34% | 1.4 |
| 2020s | 71 | +27% | 3.0 |
In the 1990s about 20 truck crashes a year were reported; in the 2020s, about 71. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Mazon
How many truck crashes happen in Mazon?
Since 2015, 759 crashes involving commercial trucks were reported in Grundy County (353 injured, 38 killed).
Which road has the most fatal truck crashes in Mazon?
NHTSA data shows I-55 with 4 fatal large-truck crashes within 10 miles of Mazon since 2015, the highest of any road.
What is the worst month for truck crashes in Mazon?
Truck crashes in Grundy County peak in January, with 12.1% of the year's crashes.
How many garbage truck accidents happen in Mazon?
Garbage trucks were involved in 2 reported crashes in Grundy County since 2015 (0.3% of truck crashes).
How does Mazon compare with Illinois for truck crashes?
The yearly rate is 121.4 truck crashes per 100,000 residents in Grundy County, vs 56.0 for Illinois.
How can I plan a safer truck route in Mazon?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.