Mason Township, Cass County, MI truck route planning & crash data
Plan safer truck routes in Mason Township, Cass County: commercial truck and garbage truck crashes in Mason Township, Cass County and Cass County, dangerous roads, seasonality and route safety data for fleets. Patterns use Cass County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
19 of 289 truck crashes since 2015.
Deadliest roads
How Cass County compares with Michigan
Cass County against Michigan and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cass County stands out
Full comparison
| Measure (2015–2025) | Cass County | Michigan | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 46.2 | 52.4 | 49.7 | 12% below the state |
| Deaths per 100 crashes | 3.1 | 2.1 | 3.4 | 1.5× the state |
| Injuries per crash | 0.32 | 0.30 | 0.49 | same |
| Garbage-truck share | 7.2% | 3.2% | 2.3% | 2.3× the state |
| On snow, slush or ice | 19.5% | 17.7% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 24.4% | 25.5% | 23.7% | same |
| In rain, sleet or snow | 22.1% | 21.9% | 13.8% | same |
| Winter months (Nov–Mar) | 46.9% | 44.4% | 41.9% | same |
| After dark | 16.0% | 20.7% | 24.8% | 22% below the state |
Compared with Michigan, Cass County is lower on crashes per 100k residents / yr and after dark. Where it is higher: deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
What stands out in Cass County: 1 in 14 garbage-truck share of crashes is 7.2%, against 3.2% for Michigan.
Overview
Since 2015, 289 crashes involving commercial trucks have been reported in Cass County. They injured 91 people and killed 9.
Across the years with complete reporting, that is roughly one truck crash every 15 days.
Mason Township, Cass County had 19 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Cass County numbers.
When crashes happen
January has the most truck crashes, 11.8% of the yearly total, while February has the fewest (5.2%).
The five winter months (November to March) hold 46.9% of truck crashes, against 44.4% across Michigan.
By time of day, 10–11 am stands out with 10.0% of truck crashes.
19.5% of truck crashes here happened on snow, slush or ice, against 17.7% across Michigan.
Where crashes happen
Within this area, I-80 had the most fatal crashes involving a large truck since 2015 (4). It is followed by CR-17 (2), 3rd St (1) and CR-18 (1).
Garbage & waste trucks
19 crashes involved a garbage or refuse truck, a 6.6% share (Michigan: 3.2%).
Route planning tips for Mason Township, Cass County fleets
- Build extra time into January routes: it has the most truck crashes here.
- Where you can, review stops along I-80; it has the most fatal large-truck crashes nearby.
- 19.5% of truck crashes were on snow, slush or ice, above Michigan; plan winter equipment checks before the season.
- 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 Cass County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-80 | 4 |
| CR-17 | 2 |
| 3rd St | 1 |
| CR-18 | 1 |
| CR-7 | 1 |
| CR-CASSOPOLIS Rd | 1 |
| CR-OLD M205 | 1 |
| CR-REDFIELD St | 1 |
| CR-ROBINSON Rd | 1 |
| Middlebury St | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cass County) |
|---|---|
| US-12 | 54 |
| Redfield | 11 |
| Decatur | 7 |
| Barron Lake | 6 |
| Marcellus | 6 |
| Main | 5 |
| Calvin Center | 4 |
| Front | 4 |
Mason Township, Cass County at a glance
| Population | 2,849 |
| Land area | 20.2 sq mi |
| Density | 141 per sq mi |
| Median household income (ZIP 49130) | $76,667 |
| Median home value (ZIP 49130) | $341,663 |
Waste facilities and haulers nearby
Historical data: truck crashes in Cass 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 | 18 | — | 2.0 |
| 2000s | 20 | +12% | 1.2 |
| 2010s | 20 | -0% | 0.9 |
| 2020s | 22 | +9% | 1.0 |
In the 1990s about 18 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Mason Township, Cass County
How many truck crashes happen in Mason Township, Cass County?
289 truck crashes have been reported in Cass County since 2015, with 9 deaths and 91 injuries.
Where do fatal truck crashes happen most in Mason Township, Cass County?
Since 2015, I-80 has had the most fatal large-truck crashes within 10 miles of Mason: 4.
What is the worst month for truck crashes in Mason Township, Cass County?
January has the most truck crashes in Cass County, 11.8% of the yearly total.
How many garbage truck accidents happen in Mason Township, Cass County?
19 crashes involving garbage or refuse trucks have been reported in Cass County since 2015, 6.6% of all truck crashes.
What is the truck crash rate in Mason Township, Cass County compared with Michigan?
The yearly rate is 46.2 truck crashes per 100,000 residents in Cass County, vs 52.4 for Michigan.
How can I plan a safer truck route in Mason Township, Cass County?
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.