Letha, ID truck route planning & crash data
Plan safer truck routes in Letha: commercial truck and garbage truck crashes in Letha and Gem County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gem County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 38 truck crashes since 2015.
Deadliest roads
How Gem County compares with Idaho
Gem County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gem County stands out
Full comparison
| Measure (2015–2025) | Gem County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 14.1 | 37.4 | 49.7 | 62% below the state |
| Deaths per 100 crashes | 8.8 | 6.1 | 3.4 | 1.4× the state |
| Injuries per crash | 0.59 | 0.55 | 0.49 | 1.1× the state |
| Garbage-truck share | 5.9% | 1.6% | 2.3% | 3.8× the state |
| On snow, slush or ice | 0.0% | 16.0% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 23.5% | 23.0% | 23.7% | same |
| In rain, sleet or snow | 2.9% | 10.2% | 13.8% | 71% below the state |
| Winter months (Nov–Mar) | 26.5% | 40.9% | 41.9% | 35% below the state |
| After dark | 5.9% | 22.8% | 24.8% | 74% below the state |
Gem County sits below Idaho on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Gem County: 1 in 17 of truck crashes here involve garbage trucks: 5.9%, vs 1.6% in Idaho.
Overview
Since 2015, 38 crashes involving commercial trucks have been reported in Gem County. They injured 22 people and killed 3.
That averages about one truck crash every 118 days in fully reported years.
With 1 truck crash reported in Letha since 2015, this page uses Gem County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in May (15.8% of the year) and are lowest in December (0.0%).
The five winter months (November to March) hold 26.5% of truck crashes, against 40.9% across Idaho.
More truck crashes happen at 1–2 pm than at any other hour (15.8%).
0.0% of truck crashes here happened on snow, slush or ice, against 16.0% across Idaho.
Where crashes happen
Within this area, SR-16 had the most fatal crashes involving a large truck since 2015 (3). Next come I-84 (2), Market Rd (1) and Sand Hollow Rd (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 10.5% share (Idaho: 1.6%).
Route planning tips for Letha fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in Gem County.
- Where you can, review stops along SR-16; it has the most fatal large-truck crashes nearby.
- 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 Gem County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-16 | 3 |
| I-84 | 2 |
| Market Rd | 1 |
| Sand Hollow Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Gem County) |
|---|---|
| Sh 16 | 14 |
| Sh 52 | 14 |
| 5Th | 1 |
| Airport Rd | 1 |
| Big Flat | 1 |
| Butte | 1 |
| El Paso | 1 |
| Fuller | 1 |
Letha at a glance
| Land area | 0.5 sq mi |
| Median household income (ZIP 83636) | $85,761 |
Waste facilities and haulers nearby
Historical data: truck crashes in Gem 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 | 3 | — | 0.2 |
| 2000s | 3 | -16% | 0.1 |
| 2010s | 2 | -32% | 0.1 |
| 2020s | 3 | +75% | 0.4 |
Reported truck crashes averaged 3 a year in the 1990s and 3 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Letha
How common are truck crashes in Letha?
38 truck crashes have been reported in Gem County since 2015, with 3 deaths and 22 injuries.
Which road has the most fatal truck crashes in Letha?
SR-16 had 3 fatal crashes involving a large truck within 10 miles of Letha since 2015, more than any other road.
What is the worst month for truck crashes in Letha?
The worst month is May: 15.8% of truck crashes in Gem County happen then.
How many garbage truck accidents happen in Letha?
4 crashes involving garbage or refuse trucks have been reported in Gem County since 2015, 10.5% of all truck crashes.
What is the truck crash rate in Letha compared with Idaho?
Gem County records 14.1 truck crashes per 100,000 residents a year, against 37.4 across Idaho.
How can I plan a safer truck route in Letha?
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.