ZIP 48109 (Ann Arbor, MI) truck route planning & crash data
Plan safer truck routes around ZIP 48109: commercial truck and garbage truck crashes here and in Washtenaw 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
2.9 deaths per 100 garbage-truck crashes vs 2.0 for all trucks.
Deadliest roads
How Washtenaw County compares with Michigan
Washtenaw County against Michigan and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Washtenaw County stands out
Full comparison
| Measure (2015–2025) | Washtenaw County | Michigan | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 57.4 | 52.4 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 2.0 | 2.1 | 3.4 | same |
| Injuries per crash | 0.29 | 0.30 | 0.49 | same |
| Garbage-truck share | 2.9% | 3.2% | 2.3% | 11% below the state |
| On snow, slush or ice | 13.3% | 17.7% | 6.2% | 25% below the state |
| Morning rush (6–10 am) | 25.6% | 25.5% | 23.7% | same |
| In rain, sleet or snow | 22.7% | 21.9% | 13.8% | same |
| Winter months (Nov–Mar) | 40.6% | 44.4% | 41.9% | 8% below the state |
| After dark | 21.4% | 20.7% | 24.8% | same |
Washtenaw County sits below Michigan on garbage-truck share, on snow, slush or ice and winter months (nov–mar). It stands out for higher crashes per 100k residents / yr.
What stands out in ZIP 48109: I-94 most fatal truck crashes within 10 miles of ZIP 48109: 11 since 2015.
Overview
Washtenaw County has recorded 2,523 truck crashes since 2015, with 755 people injured and 49 killed.
That averages about one truck crash every 2 days in fully reported years.
When crashes happen
September has the most truck crashes, 9.9% of the yearly total, while March has the fewest (6.8%).
Winter months (Nov–Mar) carry 40.6% of truck crashes, vs 44.4% for Michigan.
The busiest hour is 8–9 am, with 8.7% of truck crashes.
Snow, slush or ice was on the road in 13.3% of truck crashes, compared with 17.7% in Michigan.
Where crashes happen
I-94 leads within 10 miles of ZIP 48109 with 11 fatal crashes involving a large truck since 2015. It is followed by US-23 (5), SR-14 (2) and CR-ELLSWORTH Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 75 crashes, 3.0% of the total, against 3.2% across Michigan.
The most garbage-truck crashes happen in March (16%).
Deaths per 100 garbage-truck crashes: 2.9, vs 2.0 for all truck crashes.
Route planning tips for ZIP 48109 fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in Washtenaw County.
- Check whether your routes use I-94, the road with the most fatal truck crashes in this area.
- Waste haulers: March is the peak month for garbage-truck crashes in Washtenaw County.
- 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 Washtenaw County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-94 | 11 |
| US-23 | 5 |
| SR-14 | 2 |
| CR-ELLSWORTH Rd | 1 |
| CR-JOY Rd | 1 |
| N Huron Pkwy | 1 |
| None | 1 |
| Park View Pl | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Washtenaw County) |
|---|---|
| I-94 | 301 |
| US-23 | 242 |
| N Us 23 | 133 |
| Michigan | 133 |
| S Us 23 | 125 |
| Jackson | 33 |
| Main | 28 |
| State | 27 |
ZIP 48109 at a glance
| Population | 5,939 |
| Density | 1,644 per sq mi |
| Median household income | $14,093 |
| Home ownership | 0% |
Waste facilities and haulers nearby
Historical data: truck crashes in Washtenaw 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 | 132 | — | 4.2 |
| 2000s | 166 | +26% | 4.0 |
| 2010s | 162 | -2% | 3.1 |
| 2020s | 214 | +32% | 2.8 |
In the 1990s about 132 truck crashes a year were reported; in the 2020s, about 214. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 3.8 a year in 2016–19 and 2.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 48109
How many truck crashes happen in ZIP 48109?
Since 2015, 2,523 crashes involving commercial trucks were reported in Washtenaw County (755 injured, 49 killed).
Where do fatal truck crashes happen most in ZIP 48109?
NHTSA data shows I-94 with 11 fatal large-truck crashes within 10 miles of ZIP 48109 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 48109?
September has the most truck crashes in Washtenaw County, 9.9% of the yearly total.
Are garbage truck crashes common in ZIP 48109?
75 crashes involving garbage or refuse trucks have been reported in Washtenaw County since 2015, 3.0% of all truck crashes.
How do truck crashes in ZIP 48109 compare with Michigan?
Per 100,000 residents, Washtenaw County has 57.4 truck crashes a year; Michigan has 52.4.
What is the best way to plan truck routes in ZIP 48109?
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.