Sumner, MI truck route planning & crash data
Plan safer truck routes in Sumner: commercial truck and garbage truck crashes in Sumner and Gratiot County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gratiot County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 239 truck crashes since 2015.
Deadliest roads
How Gratiot County compares with Michigan
Gratiot County against Michigan and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gratiot County stands out
Full comparison
| Measure (2015–2025) | Gratiot County | Michigan | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 49.0 | 52.4 | 49.7 | same |
| Deaths per 100 crashes | 4.0 | 2.1 | 3.4 | 1.9× the state |
| Injuries per crash | 0.28 | 0.30 | 0.49 | same |
| Garbage-truck share | 1.8% | 3.2% | 2.3% | 44% below the state |
| On snow, slush or ice | 17.5% | 17.7% | 6.2% | same |
| Morning rush (6–10 am) | 21.5% | 25.5% | 23.7% | 16% below the state |
| In rain, sleet or snow | 15.2% | 21.9% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 46.2% | 44.4% | 41.9% | same |
| After dark | 23.8% | 20.7% | 24.8% | 1.1× the state |
Gratiot County sits below Michigan on garbage-truck share, morning rush (6–10 am) and in rain, sleet or snow. Where it is higher: deaths per 100 crashes and after dark.
What stands out in Gratiot County: November the month with the most truck crashes: 15.5% of the year's total.
Overview
Since 2015, 239 crashes involving commercial trucks have been reported in Gratiot County. They injured 67 people and killed 10.
Across the years with complete reporting, that is roughly one truck crash every 18 days.
With 2 truck crashes reported in Sumner since 2015, this page uses Gratiot County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in November (15.5% of the year) and are lowest in March (5.0%).
November through March accounts for 46.2% of truck crashes here, compared with 44.4% in Michigan.
More truck crashes happen at 12–1 pm than at any other hour (11.3%).
Road surface: 17.5% of truck crashes were on snow, slush or ice (Michigan: 17.7%).
Where crashes happen
SR-46 leads within 10 miles of Sumner with 2 fatal crashes involving a large truck since 2015. It is followed by CR-CRYSTAL Rd (1), CR-S Alger Rd (1) and N Luce Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 5 crashes, 2.1% of the total, against 3.2% across Michigan.
Route planning tips for Sumner fleets
- Review driver schedules for November, the month with the most truck crashes.
- Look at alternatives to SR-46 at busy times: it leads this area in fatal truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Gratiot County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-46 | 2 |
| CR-CRYSTAL Rd | 1 |
| CR-S Alger Rd | 1 |
| N Luce Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Gratiot County) |
|---|---|
| Monroe | 44 |
| US-127 | 28 |
| N Us 127 | 17 |
| Cleveland | 16 |
| S Us 127 | 13 |
| Washington | 11 |
| Barry | 11 |
| State | 8 |
Sumner at a glance
| Population | 1,854 |
| Land area | 35.6 sq mi |
| Density | 52 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Gratiot 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 | 14 | — | 1.3 |
| 2000s | 13 | -6% | 0.3 |
| 2010s | 14 | +4% | 0.5 |
| 2020s | 22 | +60% | 0.6 |
In the 1990s about 14 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Sumner
How many truck accidents are there in Sumner?
Gratiot County has had 239 reported truck crashes since 2015, injuring 67 people and killing 10.
Which road has the most fatal truck crashes in Sumner?
NHTSA data shows SR-46 with 2 fatal large-truck crashes within 10 miles of Sumner since 2015, the highest of any road.
When do most truck crashes happen in Sumner?
The worst month is November: 15.5% of truck crashes in Gratiot County happen then.
How many garbage truck accidents happen in Sumner?
Garbage trucks were involved in 5 reported crashes in Gratiot County since 2015 (2.1% of truck crashes).
How do truck crashes in Sumner compare with Michigan?
Per 100,000 residents, Gratiot County has 49.0 truck crashes a year; Michigan has 52.4.
How can I plan a safer truck route in Sumner?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.