Sedan, MT truck route planning & crash data
Plan safer truck routes in Sedan: commercial truck and garbage truck crashes in Sedan and Gallatin County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gallatin County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
20 of 838 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Gallatin County compares with Montana
Gallatin County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gallatin County stands out
Full comparison
| Measure (2015–2025) | Gallatin County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 57.3 | 64.3 | 49.7 | 11% below the state |
| Deaths per 100 crashes | 3.2 | 3.8 | 3.4 | 16% below the state |
| Injuries per crash | 0.32 | 0.34 | 0.49 | same |
| Garbage-truck share | 2.2% | 0.9% | 2.3% | 2.4× the state |
| On snow, slush or ice | 42.2% | 39.4% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 21.2% | 22.9% | 23.7% | 7% below the state |
| In rain, sleet or snow | 22.1% | 20.6% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 49.4% | 54.3% | 41.9% | 9% below the state |
| After dark | 28.1% | 30.8% | 24.8% | 9% below the state |
Gallatin County has lower values than Montana for crashes per 100k residents / yr, deaths per 100 crashes and morning rush (6–10 am). Where it is higher: garbage-truck share, on snow, slush or ice and in rain, sleet or snow.
Gallatin County at a glance: 1 in 44 crashes involve a garbage truck (20 since 2015), vs 0.9% across Montana.
Overview
Since 2015, 838 crashes involving commercial trucks have been reported in Gallatin County. They injured 263 people and killed 26.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
Only 0 truck crashes were reported in Sedan since 2015; patterns below come from Gallatin County as a whole.
90% of truck crash reports in Gallatin County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is February with 11.5% of truck crashes; the quietest is July at 5.7%.
Winter months (Nov–Mar) carry 49.4% of truck crashes, vs 54.3% for Montana.
The busiest hour is 10–11 am, with 8.6% of truck crashes.
Road surface: 42.2% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of Sedan since 2015.
Garbage & waste trucks
Garbage trucks account for 20 of the truck crashes here, or 2.4%, compared with 0.9% in Montana.
Their busiest month is December, with 20% of garbage-truck crashes.
Route planning tips for Sedan fleets
- Review driver schedules for February, the month with the most truck crashes.
- Waste haulers: December is the peak month for garbage-truck crashes in Gallatin County.
- Icy and snowy roads show up in 42.2% of truck crashes here, more than Montana; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Gallatin 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 (Gallatin County) |
|---|---|
| Mm5.9 Mt85 | 3 |
| Cameron Bridge Rd | 2 |
| I-90 | 2 |
| Mm313.9 I90E | 2 |
| Mm316.0 I90 | 2 |
| Mt85 (Jackrabbit Lane) | 2 |
| 63.8 Us-191 | 1 |
| E Main St | 1 |
Sedan at a glance
| Land area | 61.0 sq mi |
| Median household income (ZIP 59714) | $96,183 |
| Median home value (ZIP 59714) | $553,109 |
Waste facilities and haulers nearby
Historical data: truck crashes in Gallatin 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 | — | 1.7 |
| 2000s | 44 | +13010% | 2.5 |
| 2010s | 44 | +2% | 1.1 |
| 2020s | 81 | +83% | 3.0 |
Reported truck crashes averaged 44 a year in the 2000s and 81 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.8 fatal large-truck crashes a year in 2016–19 and 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Sedan
How many truck crashes happen in Sedan?
Gallatin County has had 838 reported truck crashes since 2015, injuring 263 people and killing 26.
What is the worst month for truck crashes in Sedan?
February has the most truck crashes in Gallatin County, 11.5% of the yearly total.
Are garbage truck crashes common in Sedan?
20 crashes involving garbage or refuse trucks have been reported in Gallatin County since 2015, 2.4% of all truck crashes.
How do truck crashes in Sedan compare with Montana?
Per 100,000 residents, Gallatin County has 57.3 truck crashes a year; Montana has 64.3.
How do I plan a garbage truck route in Sedan?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.