ZIP 48104 (Ann Arbor, MI) truck route planning & crash data
Plan safer truck routes around ZIP 48104: 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.
ZIP 48104 at a glance: I-94 deadliest road: 11 fatal truck crashes within 10 miles of ZIP 48104 since 2015.
Overview
Washtenaw County has recorded 2,523 truck crashes since 2015, with 755 people injured and 49 killed.
In complete reporting years that works out to about one truck crash every 2 days.
When crashes happen
Truck crashes peak in September (9.9% of the year) and are lowest in March (6.8%).
The five winter months (November to March) hold 40.6% of truck crashes, against 44.4% across Michigan.
By time of day, 8–9 am stands out with 8.7% of truck crashes.
13.3% of truck crashes here happened on snow, slush or ice, against 17.7% across Michigan.
Where crashes happen
Within this area, I-94 had the most fatal crashes involving a large truck since 2015 (11). Next come US-23 (5), SR-14 (2) and CR-ELLSWORTH Rd (1).
Garbage & waste trucks
75 crashes involved a garbage or refuse truck, a 3.0% share (Michigan: 3.2%).
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 48104 fleets
- Build extra time into September routes: it has the most truck crashes here.
- Where you can, review stops along I-94; it has the most fatal large-truck crashes nearby.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 48104 at a glance
| Population | 43,979 |
| Density | 2,178 per sq mi |
| Median household income | $64,231 |
| Median home value | $500,399 |
| Home ownership | 37% |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 132 to 214. Some of the change may reflect how crashes were reported. NHTSA counts 3.8 fatal large-truck crashes a year in 2016–19 and 2.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 48104
How many truck crashes happen in ZIP 48104?
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 48104?
NHTSA data shows I-94 with 11 fatal large-truck crashes within 10 miles of ZIP 48104 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 48104?
The worst month is September: 9.9% of truck crashes in Washtenaw County happen then.
How many garbage truck crashes are there in ZIP 48104?
75 crashes involving garbage or refuse trucks have been reported in Washtenaw County since 2015, 3.0% of all truck crashes.
What is the truck crash rate in ZIP 48104 compared with Michigan?
Per 100,000 residents, Washtenaw County has 57.4 truck crashes a year; Michigan has 52.4.
How do I plan a garbage truck route in ZIP 48104?
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.