Dewey, MT truck route planning & crash data
Plan safer truck routes in Dewey: commercial truck and garbage truck crashes in Dewey and Silver Bow County, dangerous roads, seasonality and route safety data for fleets. Patterns use Silver Bow County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 291 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Silver Bow County compares with Montana
Silver Bow County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Silver Bow County stands out
Full comparison
| Measure (2015–2025) | Silver Bow County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 68.7 | 64.3 | 49.7 | same |
| Deaths per 100 crashes | 1.5 | 3.8 | 3.4 | 61% below the state |
| Injuries per crash | 0.26 | 0.34 | 0.49 | 24% below the state |
| Garbage-truck share | 2.2% | 0.9% | 2.3% | 2.4× the state |
| On snow, slush or ice | 53.8% | 39.4% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 27.5% | 22.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 22.7% | 20.6% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 64.5% | 54.3% | 41.9% | 1.2× the state |
| After dark | 33.3% | 30.8% | 24.8% | 1.1× the state |
Compared with Montana, Silver Bow County is lower on deaths per 100 crashes and injuries per crash. Where it is higher: garbage-truck share, on snow, slush or ice and morning rush (6–10 am).
What stands out in Silver Bow County: 1 in 45 garbage-truck share of crashes is 2.2%, against 0.9% for Montana.
Overview
Silver Bow County has recorded 291 truck crashes since 2015, with 75 people injured and 4 killed.
Across the years with complete reporting, that is roughly one truck crash every 15 days.
Dewey had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Silver Bow County numbers.
88% of truck crash reports in Silver Bow County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is November with 14.4% of truck crashes; the quietest is August at 3.4%.
Winter months (Nov–Mar) carry 64.5% of truck crashes, vs 54.3% for Montana.
More truck crashes happen at 9–10 am than at any other hour (8.2%).
53.8% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of Dewey since 2015.
Garbage & waste trucks
7 crashes involved a garbage or refuse truck, a 2.4% share (Montana: 0.9%).
Route planning tips for Dewey fleets
- Plan November schedules with more margin; it is the worst month for truck crashes in Silver Bow County.
- 27.5% of truck crashes happen between 6 and 10 am, above Montana; consider earlier or later starts where possible.
- With 53.8% of truck crashes on snow, slush or ice (above Montana), plan winter equipment checks early.
- 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 Silver Bow County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Silver Bow County) |
|---|---|
| Butte | 1 |
| Continental Dr | 1 |
| Dewey Blvd & Maryland Ave | 1 |
| I-15 N Mm124.2 | 1 |
| I-90W Mm232.5 | 1 |
| I15N Mm126.2 | 1 |
| Mm 110.7 I-15 | 1 |
| Mm 121 I15 Nb Exit Ramp | 1 |
Dewey at a glance
| Land area | 0.3 sq mi |
| Median household income (ZIP 59727) | $64,583 |
| Median home value (ZIP 59727) | $352,579 |
Waste facilities and haulers nearby
Historical data: truck crashes in Silver Bow 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 | — | 0.8 |
| 2000s | 20 | +3820% | 0.6 |
| 2010s | 18 | -11% | 0.5 |
| 2020s | 28 | +62% | 0.4 |
From the 2000s to the 2020s, yearly reported truck crashes went from 20 to 28. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Dewey
How many truck accidents are there in Dewey?
291 truck crashes have been reported in Silver Bow County since 2015, with 4 deaths and 75 injuries.
When do most truck crashes happen in Dewey?
Truck crashes in Silver Bow County peak in November, with 14.4% of the year's crashes.
Are garbage truck crashes common in Dewey?
7 crashes involving garbage or refuse trucks have been reported in Silver Bow County since 2015, 2.4% of all truck crashes.
How does Dewey compare with Montana for truck crashes?
Per 100,000 residents, Silver Bow County has 68.7 truck crashes a year; Montana has 64.3.
What is the best way to plan truck routes in Dewey?
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.