Shiawassee County, MI truck route planning & crash data
Plan safer truck routes in Shiawassee County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
13 of 473 truck crashes since 2015.
Deadliest roads
How Shiawassee County compares with Michigan
Shiawassee County against Michigan and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Shiawassee County stands out
Full comparison
| Measure (2015–2025) | Shiawassee County | Michigan | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 58.0 | 52.4 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 2.1 | 2.1 | 3.4 | same |
| Injuries per crash | 0.28 | 0.30 | 0.49 | same |
| Garbage-truck share | 2.8% | 3.2% | 2.3% | 14% below the state |
| On snow, slush or ice | 18.4% | 17.7% | 6.2% | same |
| Morning rush (6–10 am) | 27.2% | 25.5% | 23.7% | same |
| In rain, sleet or snow | 17.3% | 21.9% | 13.8% | 21% below the state |
| Winter months (Nov–Mar) | 41.7% | 44.4% | 41.9% | same |
| After dark | 24.6% | 20.7% | 24.8% | 1.2× the state |
Shiawassee County sits below Michigan on garbage-truck share and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr and after dark.
The headline for Shiawassee County: I-69 3 fatal truck crashes since 2015, more than any other road in Shiawassee County.
Overview
Shiawassee County has recorded 473 truck crashes since 2015, with 130 people injured and 10 killed.
Across the years with complete reporting, that is roughly one truck crash every 9 days.
When crashes happen
Truck crashes peak in January (10.8% of the year) and are lowest in April (4.9%).
Winter months (Nov–Mar) carry 41.7% of truck crashes, vs 44.4% for Michigan.
By time of day, 8–9 am stands out with 9.3% of truck crashes.
18.4% of truck crashes here happened on snow, slush or ice, against 17.7% across Michigan.
Where crashes happen
I-69 leads in Shiawassee County with 3 fatal crashes involving a large truck since 2015. It is followed by SR-21 (2), CR-HIBBARD Rd (1) and SR-52 (1).
Garbage & waste trucks
Garbage trucks account for 13 of the truck crashes here, or 2.7%, compared with 3.2% in Michigan.
Route planning tips for Shiawassee County fleets
- Review driver schedules for January, the month with the most truck crashes.
- Look at alternatives to I-69 at busy times: it leads this area in fatal truck crashes.
- 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 Shiawassee County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Shiawassee County) |
|---|---|
| I-69 | 3 |
| SR-21 | 2 |
| CR-HIBBARD Rd | 1 |
| SR-52 | 1 |
| SR-71 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Shiawassee County) |
|---|---|
| I-69 | 120 |
| Lansing | 16 |
| Main | 14 |
| Beard | 13 |
| Bath | 6 |
| Shiawassee | 5 |
| State | 5 |
| Bennington | 4 |
Shiawassee County at a glance
| Population | 67,982 |
| Land area | 531.0 sq mi |
| Density | 128 per sq mi |
| Median household income (ZIP average) | $69,108 |
Waste facilities and haulers nearby
Historical data: truck crashes in Shiawassee 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 | 32 | — | 1.6 |
| 2000s | 27 | -16% | 0.8 |
| 2010s | 25 | -8% | 0.5 |
| 2020s | 45 | +81% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 32 to 45. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 1.0 a year in 2020–24.
Cities, towns & communities in Shiawassee County
ZIP codes in Shiawassee County
Nearby counties
Questions fleets ask about Shiawassee County
How many truck crashes happen in Shiawassee County?
Since 2015, 473 crashes involving commercial trucks were reported in Shiawassee County (130 injured, 10 killed).
Where do fatal truck crashes happen most in Shiawassee County?
NHTSA data shows I-69 with 3 fatal large-truck crashes in Shiawassee County since 2015, the highest of any road.
When do most truck crashes happen in Shiawassee County?
January has the most truck crashes in Shiawassee County, 10.8% of the yearly total.
Are garbage truck crashes common in Shiawassee County?
13 crashes involving garbage or refuse trucks have been reported in Shiawassee County since 2015, 2.7% of all truck crashes.
What is the truck crash rate in Shiawassee County compared with Michigan?
The yearly rate is 58.0 truck crashes per 100,000 residents in Shiawassee County, vs 52.4 for Michigan.
How do I plan a garbage truck route in Shiawassee 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.