ZIP 48817 (Corunna, MI) truck route planning & crash data
Plan safer truck routes around ZIP 48817: commercial truck and garbage truck crashes here and in Shiawassee County, 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 has lower values than Michigan for garbage-truck share and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr and after dark.
The headline for ZIP 48817: SR-21 deadliest road: 2 fatal truck crashes within 10 miles of ZIP 48817 since 2015.
Overview
Shiawassee County has recorded 473 truck crashes since 2015, with 130 people injured and 10 killed.
In complete reporting years that works out to about 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%).
November through March accounts for 41.7% of truck crashes here, compared with 44.4% in Michigan.
More truck crashes happen at 8–9 am than at any other hour (9.3%).
Snow, slush or ice was on the road in 18.4% of truck crashes, compared with 17.7% in Michigan.
Where crashes happen
SR-21 leads within 10 miles of ZIP 48817 with 2 fatal crashes involving a large truck since 2015. After it: I-69 (1), SR-52 (1) and SR-71 (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 ZIP 48817 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to SR-21 at busy times: it leads this area in fatal truck crashes.
- 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 Shiawassee County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-21 | 2 |
| 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 |
ZIP 48817 at a glance
| Population | 5,416 |
| Density | 36 per sq mi |
| Median household income | $55,194 |
| Median home value | $174,770 |
| Home ownership | 70% |
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. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 48817
How common are truck crashes in ZIP 48817?
Since 2015, 473 crashes involving commercial trucks were reported in Shiawassee County (130 injured, 10 killed).
Where do fatal truck crashes happen most in ZIP 48817?
Since 2015, SR-21 has had the most fatal large-truck crashes within 10 miles of ZIP 48817: 2.
Which month has the most truck crashes in ZIP 48817?
The worst month is January: 10.8% of truck crashes in Shiawassee County happen then.
How many garbage truck accidents happen in ZIP 48817?
Garbage trucks were involved in 13 reported crashes in Shiawassee County since 2015 (2.7% of truck crashes).
How do truck crashes in ZIP 48817 compare with Michigan?
Shiawassee County records 58.0 truck crashes per 100,000 residents a year, against 52.4 across Michigan.
How do I plan a garbage truck route in ZIP 48817?
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.