ZIP 59311 (Alzada, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59311: commercial truck and garbage truck crashes here and in Carter 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
0 of 100 truck crashes since 2015.
Deadliest roads
How Carter County compares with Montana
Carter County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carter County stands out
Full comparison
| Measure (2015–2025) | Carter County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 623.8 | 64.3 | 49.7 | 9.7× the state |
| Deaths per 100 crashes | 1.0 | 3.8 | 3.4 | 74% below the state |
| Injuries per crash | 0.31 | 0.34 | 0.49 | 9% below the state |
| Garbage-truck share | 0.0% | 0.9% | 2.3% | 100% below the state |
| On snow, slush or ice | 49.0% | 39.4% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 11.5% | 22.9% | 23.7% | 50% below the state |
| In rain, sleet or snow | 9.4% | 20.6% | 13.8% | 54% below the state |
| Winter months (Nov–Mar) | 55.2% | 54.3% | 41.9% | same |
| After dark | 29.2% | 30.8% | 24.8% | same |
Compared with Montana, Carter County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr and on snow, slush or ice.
The headline for Carter County: April worst month: 21.0% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 100 crashes involving commercial trucks in Carter County since 2015: 30 people were injured and 1 were killed.
Across the years with complete reporting, that is roughly one truck crash every 42 days.
When crashes happen
Truck crashes peak in April (21.0% of the year) and are lowest in May (1.0%).
November through March accounts for 55.2% of truck crashes here, compared with 54.3% in Montana.
More truck crashes happen at 2–3 pm than at any other hour (27.0%).
Road surface: 49.0% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 59311 happened on US-212 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Carter County.
Route planning tips for ZIP 59311 fleets
- Review driver schedules for April, the month with the most truck crashes.
- With 49.0% of truck crashes on snow, slush or ice (above Montana), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Carter County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-212 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carter County) |
|---|---|
| Mm108 Us Highway 212 | 2 |
| Mm102 Us Highway 212 | 1 |
| Mm115 Us-Highway 212 | 1 |
ZIP 59311 at a glance
| Population | 143 |
| Density | 0 per sq mi |
| Median household income | $88,021 |
| Median home value | $633,381 |
| Home ownership | 66% |
Waste facilities and haulers nearby
Historical data: truck crashes in Carter 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 | — | — | 0.2 |
| 2000s | 3 | — | 0.3 |
| 2010s | 5 | +66% | 0.2 |
| 2020s | 10 | +108% | 0.2 |
Reported truck crashes averaged 3 a year in the 2000s and 10 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59311
How many truck accidents are there in ZIP 59311?
100 truck crashes have been reported in Carter County since 2015, with 1 deaths and 30 injuries.
What is the worst month for truck crashes in ZIP 59311?
Truck crashes in Carter County peak in April, with 21.0% of the year's crashes.
How many garbage truck crashes are there in ZIP 59311?
Since 2015, Carter County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in ZIP 59311 compared with Montana?
The yearly rate is 623.8 truck crashes per 100,000 residents in Carter County, vs 64.3 for Montana.
What is the best way to plan truck routes in ZIP 59311?
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.