Corunna, MI truck route planning & crash data
Plan safer truck routes in Corunna: commercial truck and garbage truck crashes in Corunna and Shiawassee County, dangerous roads, seasonality and route safety data for fleets. Patterns use Shiawassee County numbers.
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 |
Compared with Michigan, Shiawassee County is lower on garbage-truck share and in rain, sleet or snow. It runs above Michigan on crashes per 100k residents / yr and after dark.
What stands out in Corunna: SR-21 2 fatal truck crashes since 2015, more than any other road within 10 miles of Corunna.
Overview
Police reported 473 crashes involving commercial trucks in Shiawassee County since 2015: 130 people were injured and 10 were killed.
That averages about one truck crash every 9 days in fully reported years.
Corunna had 10 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Shiawassee County numbers.
When crashes happen
The worst month is January with 10.8% of truck crashes; the quietest is April at 4.9%.
November through March accounts for 41.7% of truck crashes here, compared with 44.4% in 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
SR-21 leads within 10 miles of Corunna with 2 fatal crashes involving a large truck since 2015. After it: CR-HIBBARD Rd (1), I-69 (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 Corunna fleets
- Review driver schedules for January, the month with the most truck crashes.
- Look at alternatives to SR-21 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
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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 (within 10 miles) |
|---|---|
| SR-21 | 2 |
| CR-HIBBARD Rd | 1 |
| I-69 | 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 |
Corunna at a glance
| Population | 3,014 |
| Land area | 3.2 sq mi |
| Density | 947 per sq mi |
| Median household income (ZIP 48867) | $59,825 |
| Median home value (ZIP 48867) | $155,507 |
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 |
In the 1990s about 32 truck crashes a year were reported; in the 2020s, about 45. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.8 a year in 2016–19, 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Corunna
How common are truck crashes in Corunna?
Since 2015, 473 crashes involving commercial trucks were reported in Shiawassee County (130 injured, 10 killed).
What is the most dangerous road for trucks in Corunna?
NHTSA data shows SR-21 with 2 fatal large-truck crashes within 10 miles of Corunna since 2015, the highest of any road.
What is the worst month for truck crashes in Corunna?
January has the most truck crashes in Shiawassee County, 10.8% of the yearly total.
Are garbage truck crashes common in Corunna?
Since 2015, Shiawassee County has reported 13 garbage-truck crashes, or 2.7% of its truck crashes.
What is the truck crash rate in Corunna compared with Michigan?
Per 100,000 residents, Shiawassee County has 58.0 truck crashes a year; Michigan has 52.4.
What is the best way to plan truck routes in Corunna?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.