Joliet, MT truck route planning & crash data
Plan safer truck routes in Joliet: commercial truck and garbage truck crashes in Joliet and Carbon County, dangerous roads, seasonality and route safety data for fleets. Patterns use Carbon County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 61 truck crashes since 2015.
Deadliest roads
How Carbon County compares with Montana
Carbon County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carbon County stands out
Full comparison
| Measure (2015–2025) | Carbon County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 45.9 | 64.3 | 49.7 | 29% below the state |
| Deaths per 100 crashes | 10.3 | 3.8 | 3.4 | 2.7× the state |
| Injuries per crash | 0.41 | 0.34 | 0.49 | 1.2× the state |
| Garbage-truck share | 5.2% | 0.9% | 2.3% | 5.6× the state |
| On snow, slush or ice | 32.8% | 39.4% | 6.2% | 17% below the state |
| Morning rush (6–10 am) | 27.6% | 22.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 24.1% | 20.6% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 44.8% | 54.3% | 41.9% | 17% below the state |
| After dark | 17.2% | 30.8% | 24.8% | 44% below the state |
Carbon County sits below Montana on crashes per 100k residents / yr, on snow, slush or ice and winter months (nov–mar). It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
Carbon County at a glance: 1 in 19 of truck crashes here involve garbage trucks: 5.2%, vs 0.9% in Montana.
Overview
Police reported 61 crashes involving commercial trucks in Carbon County since 2015: 25 people were injured and 6 were killed.
In complete reporting years that works out to about one truck crash every 69 days.
Only 0 truck crashes were reported in Joliet since 2015; patterns below come from Carbon County as a whole.
87% of truck crash reports in Carbon County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in December (14.8% of the year) and are lowest in January (3.3%).
November through March accounts for 44.8% of truck crashes here, compared with 54.3% in Montana.
The busiest hour is 2–3 pm, with 18.0% of truck crashes.
Snow, slush or ice was on the road in 32.8% of truck crashes, compared with 39.4% in Montana.
Where crashes happen
The deadliest road for trucks within 10 miles of Joliet is US-310, with 3 fatal large-truck crashes since 2015. Next come I-90 (1) and US-212 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 4.9% of the total, against 0.9% across Montana.
Route planning tips for Joliet fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Carbon County.
- Check whether your routes use US-310, the road with the most fatal truck crashes in this area.
- The morning rush (6–10 am) holds 27.6% of truck crashes here, more than Montana; adjust start times where you can.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Carbon County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-310 | 3 |
| I-90 | 1 |
| US-212 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carbon County) |
|---|---|
| Mm 10.6 Us-310 | 1 |
| Mm 2.3 Mt-78 | 1 |
| Mm 41.4 Us-310 | 1 |
| Mm72.9 Hwy212 | 1 |
Joliet at a glance
| Population | 620 |
| Land area | 0.3 sq mi |
| Density | 2,263 per sq mi |
| Median household income (ZIP 59041) | $80,500 |
| Median home value (ZIP 59041) | $406,740 |
Waste facilities and haulers nearby
Historical data: truck crashes in Carbon 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 | 7 | — | 0.6 |
| 2010s | 4 | -37% | 0.4 |
| 2020s | 6 | +40% | 0.6 |
Reported truck crashes averaged 7 a year in the 2000s and 6 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Joliet
How many truck crashes happen in Joliet?
Carbon County has had 61 reported truck crashes since 2015, injuring 25 people and killing 6.
Where do fatal truck crashes happen most in Joliet?
NHTSA data shows US-310 with 3 fatal large-truck crashes within 10 miles of Joliet since 2015, the highest of any road.
When do most truck crashes happen in Joliet?
The worst month is December: 14.8% of truck crashes in Carbon County happen then.
Are garbage truck crashes common in Joliet?
3 crashes involving garbage or refuse trucks have been reported in Carbon County since 2015, 4.9% of all truck crashes.
How does Joliet compare with Montana for truck crashes?
The yearly rate is 45.9 truck crashes per 100,000 residents in Carbon County, vs 64.3 for Montana.
What is the best way to plan truck routes in Joliet?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.