Jefferson County, ID truck route planning & crash data
Plan safer truck routes in Jefferson County: commercial truck and garbage truck crashes, 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 98 truck crashes since 2015.
Deadliest roads
How Jefferson County compares with Idaho
Jefferson County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 24.3 | 37.4 | 49.7 | 35% below the state |
| Deaths per 100 crashes | 8.6 | 6.1 | 3.4 | 1.4× the state |
| Injuries per crash | 0.30 | 0.55 | 0.49 | 45% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 23.7% | 16.0% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 23.7% | 23.0% | 23.7% | same |
| In rain, sleet or snow | 15.0% | 10.2% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 44.1% | 40.9% | 41.9% | 1.1× the state |
| After dark | 28.0% | 22.8% | 24.8% | 1.2× the state |
Jefferson County sits below Idaho on crashes per 100k residents / yr, injuries per crash and garbage-truck share. It runs above Idaho on deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow.
What stands out in Jefferson County: 0 garbage-truck share of crashes is 0.0%, against 1.6% for Idaho.
Overview
Jefferson County has recorded 98 truck crashes since 2015, with 32 people injured and 8 killed.
In complete reporting years that works out to about one truck crash every 43 days.
When crashes happen
February has the most truck crashes, 14.3% of the yearly total, while July has the fewest (4.1%).
November through March accounts for 44.1% of truck crashes here, compared with 40.9% in Idaho.
By time of day, 12–1 pm stands out with 12.2% of truck crashes.
23.7% of truck crashes here happened on snow, slush or ice, against 16.0% across Idaho.
Where crashes happen
The deadliest road for trucks in Jefferson County is SR-33, with 3 fatal large-truck crashes since 2015. It is followed by I-15 (2), 4200 North Rd (1) and 800 East Rd (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Jefferson County since 2015.
Route planning tips for Jefferson County fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Jefferson County.
- Check whether your routes use SR-33, the road with the most fatal truck crashes in this area.
- With 23.7% 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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Jefferson County) |
|---|---|
| SR-33 | 3 |
| I-15 | 2 |
| 4200 North Rd | 1 |
| 800 East Rd | 1 |
| Countyline Rd | 1 |
| Old Butte Hwy | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| I-15 | 22 |
| East | 15 |
| Sh 33 | 14 |
| North | 9 |
| US-20 | 7 |
| East Rd | 3 |
| County Line | 3 |
| County Line Rd | 2 |
Jefferson County at a glance
| Population | 34,854 |
| Land area | 1,093.7 sq mi |
| Density | 32 per sq mi |
| Median household income (ZIP average) | $86,940 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 9 | — | 0.2 |
| 2000s | 10 | +13% | 0.2 |
| 2010s | 7 | -35% | 0.4 |
| 2020s | 9 | +34% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 9 to 9. Some of the change may reflect how crashes were reported. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Cities, towns & communities in Jefferson County
ZIP codes in Jefferson County
Nearby counties
Questions fleets ask about Jefferson County
How common are truck crashes in Jefferson County?
Since 2015, 98 crashes involving commercial trucks were reported in Jefferson County (32 injured, 8 killed).
Which road has the most fatal truck crashes in Jefferson County?
NHTSA data shows SR-33 with 3 fatal large-truck crashes in Jefferson County since 2015, the highest of any road.
When do most truck crashes happen in Jefferson County?
Truck crashes in Jefferson County peak in February, with 14.3% of the year's crashes.
How many garbage truck crashes are there in Jefferson County?
Since 2015, Jefferson County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How does Jefferson County compare with Idaho for truck crashes?
The yearly rate is 24.3 truck crashes per 100,000 residents in Jefferson County, vs 37.4 for Idaho.
How can I plan a safer truck route in Jefferson County?
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.