Swan Valley, ID truck route planning & crash data
Plan safer truck routes in Swan Valley: commercial truck and garbage truck crashes in Swan Valley and Bonneville County, dangerous roads, seasonality and route safety data for fleets. Patterns use Bonneville County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 330 truck crashes since 2015.
Deadliest roads
How Bonneville County compares with Idaho
Bonneville County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Bonneville County stands out
Full comparison
| Measure (2015–2025) | Bonneville County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 20.7 | 37.4 | 49.7 | 45% below the state |
| Deaths per 100 crashes | 3.3 | 6.1 | 3.4 | 46% below the state |
| Injuries per crash | 0.41 | 0.55 | 0.49 | 25% below the state |
| Garbage-truck share | 1.6% | 1.6% | 2.3% | same |
| On snow, slush or ice | 22.3% | 16.0% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 22.9% | 23.0% | 23.7% | same |
| In rain, sleet or snow | 9.2% | 10.2% | 13.8% | 10% below the state |
| Winter months (Nov–Mar) | 43.6% | 40.9% | 41.9% | same |
| After dark | 17.7% | 22.8% | 24.8% | 22% below the state |
Compared with Idaho, Bonneville County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher on snow, slush or ice.
What stands out in Bonneville County: 22.3% share of truck crashes on snow, slush or ice (Idaho: 16.0%).
Overview
Bonneville County has recorded 330 truck crashes since 2015, with 143 people injured and 12 killed.
In complete reporting years that works out to about one truck crash every 13 days.
Only 32 truck crashes were reported in Swan Valley since 2015; patterns below come from Bonneville County as a whole.
When crashes happen
September has the most truck crashes, 10.3% of the yearly total, while May has the fewest (5.5%).
November through March accounts for 43.6% of truck crashes here, compared with 40.9% in Idaho.
By time of day, 1–2 pm stands out with 11.2% of truck crashes.
Snow, slush or ice was on the road in 22.3% of truck crashes, compared with 16.0% in Idaho.
Where crashes happen
Fatal large-truck crashes within 10 miles of Swan Valley since 2015 were spread across roads: US-26 (3).
Garbage & waste trucks
Garbage trucks account for 5 of the truck crashes here, or 1.5%, compared with 1.6% in Idaho.
Route planning tips for Swan Valley fleets
- Review driver schedules for September, the month with the most truck crashes.
- With 22.3% of truck crashes on snow, slush or ice (above Idaho), 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 Bonneville County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-26 | 3 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Bonneville County) |
|---|---|
| US-26 | 88 |
| I-15 | 36 |
| US-20 | 34 |
| Yellowstone | 10 |
| Ammon Rd | 8 |
| 15Th East | 7 |
| Yellowstone Hwy | 6 |
| US-91 | 6 |
Swan Valley at a glance
| Population | 310 |
| Land area | 11.6 sq mi |
| Density | 27 per sq mi |
| Median household income (ZIP 83449) | $82,368 |
| Median home value (ZIP 83449) | $549,745 |
Waste facilities and haulers nearby
Historical data: truck crashes in Bonneville 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 | 12 | — | 1.2 |
| 2000s | 35 | +195% | 1.3 |
| 2010s | 24 | -30% | 0.3 |
| 2020s | 28 | +16% | 2.8 |
Reported truck crashes averaged 12 a year in the 1990s and 28 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 2.8 a year in 2020–24.
Nearby places
Questions fleets ask about Swan Valley
How common are truck crashes in Swan Valley?
330 truck crashes have been reported in Bonneville County since 2015, with 12 deaths and 143 injuries.
What is the worst month for truck crashes in Swan Valley?
Truck crashes in Bonneville County peak in September, with 10.3% of the year's crashes.
How many garbage truck accidents happen in Swan Valley?
Since 2015, Bonneville County has reported 5 garbage-truck crashes, or 1.5% of its truck crashes.
What is the truck crash rate in Swan Valley compared with Idaho?
Per 100,000 residents, Bonneville County has 20.7 truck crashes a year; Idaho has 37.4.
How can I plan a safer truck route in Swan Valley?
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.