Interlaken, UT truck route planning & crash data
Plan safer truck routes in Interlaken: commercial truck and garbage truck crashes in Interlaken and Wasatch County, dangerous roads, seasonality and route safety data for fleets. Patterns use Wasatch County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 275 truck crashes since 2015.
Deadliest roads
How Wasatch County compares with Utah
Wasatch County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Wasatch County stands out
Full comparison
| Measure (2015–2025) | Wasatch County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 62.9 | 35.6 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 10.7 | 3.6 | 3.4 | 3.0× the state |
| Injuries per crash | 0.49 | 0.47 | 0.49 | same |
| Garbage-truck share | 1.1% | 1.5% | 2.3% | 25% below the state |
| On snow, slush or ice | 14.5% | 9.0% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 23.3% | 23.6% | 23.7% | same |
| In rain, sleet or snow | 20.2% | 15.8% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 45.8% | 43.0% | 41.9% | same |
| After dark | 25.2% | 24.1% | 24.8% | same |
Wasatch County has lower values than Utah for garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Wasatch County: 10.7 people killed per 100 truck crashes (Utah: 3.6).
Overview
Since 2015, 275 crashes involving commercial trucks have been reported in Wasatch County. They injured 134 people and killed 31.
That averages about one truck crash every 15 days in fully reported years.
With 0 truck crashes reported in Interlaken since 2015, this page uses Wasatch County numbers for its patterns and comparisons.
When crashes happen
July has the most truck crashes, 11.6% of the yearly total, while May has the fewest (5.8%).
The five winter months (November to March) hold 45.8% of truck crashes, against 43.0% across Utah.
By time of day, 2–3 pm stands out with 9.8% of truck crashes.
Snow, slush or ice was on the road in 14.5% of truck crashes, compared with 9.0% in Utah.
Where crashes happen
Within this area, US-40 had the most fatal crashes involving a large truck since 2015 (6). Next come US-189 (3), SR-189 (2) and SR-248 (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 1.5% share (Utah: 1.5%).
Route planning tips for Interlaken fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Wasatch County.
- Where you can, review stops along US-40; it has the most fatal large-truck crashes nearby.
- Icy and snowy roads show up in 14.5% of truck crashes here, more than Utah; 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
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 Wasatch County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-40 | 6 |
| US-189 | 3 |
| SR-189 | 2 |
| SR-248 | 1 |
| SR-40 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Wasatch County) |
|---|---|
| SR-40 | 69 |
| SR-189 | 16 |
| S Main St | 12 |
| SR-6 | 10 |
| Main Street | 4 |
| E Center St | 3 |
| Sr-40, At - 10 Feet P Of Sr-40 | 3 |
| Sr-40, At - 19 Feet - Of Sr-40 | 3 |
Interlaken at a glance
| Population | 156 |
| Land area | 0.2 sq mi |
| Density | 687 per sq mi |
| Median household income (ZIP 84049) | $151,343 |
| Median home value (ZIP 84049) | $889,517 |
Waste facilities and haulers nearby
Historical data: truck crashes in Wasatch 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 | 14 | — | 1.0 |
| 2000s | 16 | +17% | 1.0 |
| 2010s | 24 | +49% | 1.3 |
| 2020s | 22 | -6% | 2.4 |
In the 1990s about 14 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. NHTSA counts 2.8 fatal large-truck crashes a year in 2016–19 and 2.4 a year in 2020–24.
Nearby places
Questions fleets ask about Interlaken
How many truck accidents are there in Interlaken?
Wasatch County has had 275 reported truck crashes since 2015, injuring 134 people and killing 31.
Where do fatal truck crashes happen most in Interlaken?
US-40 had 6 fatal crashes involving a large truck within 10 miles of Interlaken since 2015, more than any other road.
When do most truck crashes happen in Interlaken?
July has the most truck crashes in Wasatch County, 11.6% of the yearly total.
How many garbage truck accidents happen in Interlaken?
4 crashes involving garbage or refuse trucks have been reported in Wasatch County since 2015, 1.5% of all truck crashes.
What is the truck crash rate in Interlaken compared with Utah?
Wasatch County records 62.9 truck crashes per 100,000 residents a year, against 35.6 across Utah.
How can I plan a safer truck route in Interlaken?
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.