ZIP 54423 (Custer, WI) truck route planning & crash data
Plan safer truck routes around ZIP 54423: commercial truck and garbage truck crashes here and in Portage 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
11 of 424 truck crashes since 2015.
Deadliest roads
How Portage County compares with Wisconsin
Portage County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Portage County stands out
Full comparison
| Measure (2015–2025) | Portage County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 50.0 | 42.6 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 1.0 | 3.4 | 3.4 | 71% below the state |
| Injuries per crash | 0.29 | 0.46 | 0.49 | 37% below the state |
| Garbage-truck share | 2.8% | 2.7% | 2.3% | same |
| On snow, slush or ice | 18.4% | 13.4% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 31.1% | 26.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 18.4% | 16.5% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 48.0% | 44.9% | 41.9% | same |
| After dark | 18.7% | 20.9% | 24.8% | 11% below the state |
Compared with Wisconsin, Portage County is lower on deaths per 100 crashes, injuries per crash and after dark. It stands out for higher crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
Portage County at a glance: 1.0 people killed per 100 truck crashes (Wisconsin: 3.4).
Overview
Portage County has recorded 424 truck crashes since 2015, with 129 people injured and 4 killed.
In complete reporting years that works out to about one truck crash every 10 days.
When crashes happen
January has the most truck crashes, 13.2% of the yearly total, while March has the fewest (4.0%).
November through March accounts for 48.0% of truck crashes here, compared with 44.9% in Wisconsin.
The busiest hour is 7–8 am, with 10.4% of truck crashes.
Snow, slush or ice was on the road in 18.4% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 54423 since 2015: I-39 (1) and US-10 (1). No single road stands out.
Garbage & waste trucks
11 crashes involved a garbage or refuse truck, a 2.6% share (Wisconsin: 2.7%).
Route planning tips for ZIP 54423 fleets
- Build extra time into January routes: it has the most truck crashes here.
- 31.1% of truck crashes happen between 6 and 10 am, above Wisconsin; consider earlier or later starts where possible.
- 18.4% of truck crashes were on snow, slush or ice, above Wisconsin; plan winter equipment checks before the season.
- 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 Portage County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-39 | 1 |
| US-10 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Portage County) |
|---|---|
| Ush 010 | 84 |
| I-039 | 79 |
| Sth 054 | 40 |
| Sth 066 | 19 |
| Cth B | 18 |
| Cth J | 9 |
| Cth F | 8 |
| Sth 034 | 8 |
ZIP 54423 at a glance
| Population | 2,394 |
| Density | 19 per sq mi |
| Median household income | $113,690 |
| Median home value | $326,727 |
| Home ownership | 93% |
Waste facilities and haulers nearby
Historical data: truck crashes in Portage 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 | 35 | — | 1.9 |
| 2000s | 36 | +0% | 1.0 |
| 2010s | 35 | -1% | 0.2 |
| 2020s | 34 | -3% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 35 to 34. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 54423
How many truck crashes happen in ZIP 54423?
424 truck crashes have been reported in Portage County since 2015, with 4 deaths and 129 injuries.
When do most truck crashes happen in ZIP 54423?
The worst month is January: 13.2% of truck crashes in Portage County happen then.
Are garbage truck crashes common in ZIP 54423?
Garbage trucks were involved in 11 reported crashes in Portage County since 2015 (2.6% of truck crashes).
How does ZIP 54423 compare with Wisconsin for truck crashes?
Per 100,000 residents, Portage County has 50.0 truck crashes a year; Wisconsin has 42.6.
How can I plan a safer truck route in ZIP 54423?
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.