Silverthorne, CO truck route planning & crash data
Plan safer truck routes in Silverthorne: commercial truck and garbage truck crashes in Silverthorne and Summit County, dangerous roads, seasonality and route safety data for fleets. Patterns use Summit County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 506 truck crashes since 2015.
Deadliest roads
How Summit County compares with Colorado
Summit County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Summit County stands out
Full comparison
| Measure (2015–2025) | Summit County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 144.2 | 32.6 | 49.7 | 4.4× the state |
| Deaths per 100 crashes | 3.9 | 5.1 | 3.4 | 24% below the state |
| Injuries per crash | 0.35 | 0.32 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.0% | 2.8% | 2.3% | 63% below the state |
| On snow, slush or ice | 44.1% | 14.8% | 6.2% | 3.0× the state |
| Morning rush (6–10 am) | 23.7% | 25.7% | 23.7% | 8% below the state |
| In rain, sleet or snow | 33.7% | 13.2% | 13.8% | 2.6× the state |
| Winter months (Nov–Mar) | 49.8% | 43.5% | 41.9% | 1.1× the state |
| After dark | 27.1% | 22.4% | 24.8% | 1.2× the state |
Summit County has lower values than Colorado for deaths per 100 crashes, garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
What stands out in Summit County: 44.1% on snowy, slushy or icy roads, against 14.8% across Colorado.
Overview
Summit County has recorded 506 truck crashes since 2015, with 175 people injured and 21 killed.
That averages about one truck crash every 8 days in fully reported years.
With 16 truck crashes reported in Silverthorne since 2015, this page uses Summit County numbers for its patterns and comparisons.
84% of truck crash reports in Summit County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
February has the most truck crashes, 12.8% of the yearly total, while August has the fewest (4.7%).
November through March accounts for 49.8% of truck crashes here, compared with 43.5% in Colorado.
The busiest hour is 3–4 pm, with 8.5% of truck crashes.
Snow, slush or ice was on the road in 44.1% of truck crashes, compared with 14.8% in Colorado.
Where crashes happen
The deadliest road for trucks within 10 miles of Silverthorne is I-70, with 5 fatal large-truck crashes since 2015. After it: US-6 (2), CR-SWAN Mountain Rd (1) and SR-9 (1).
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 1.0% share (Colorado: 2.8%).
Route planning tips for Silverthorne fleets
- Build extra time into February routes: it has the most truck crashes here.
- Look at alternatives to I-70 at busy times: it leads this area in fatal truck crashes.
- With 44.1% of truck crashes on snow, slush or ice (above Colorado), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Summit County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-70 | 5 |
| US-6 | 2 |
| CR-SWAN Mountain Rd | 1 |
| SR-9 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Summit County) |
|---|---|
| I70 At Mp 213 | 16 |
| I 70 At Mp 208 | 12 |
| I 70 At Mp 207 | 12 |
| I70 At Mp 210 | 11 |
| I70 At Mp 208 | 11 |
| I 70 At Mp 212 | 7 |
| I70 At Mp 209 | 7 |
| I70 At Mp 205 | 6 |
Silverthorne at a glance
| Population | 5,220 |
| Land area | 4.1 sq mi |
| Density | 1,286 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Summit 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 | 30 | — | 0.9 |
| 2000s | 43 | +42% | 0.9 |
| 2010s | 43 | +0% | 0.6 |
| 2020s | 46 | +8% | 0.8 |
In the 1990s about 30 truck crashes a year were reported; in the 2020s, about 46. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Silverthorne
How many truck crashes happen in Silverthorne?
Summit County has had 506 reported truck crashes since 2015, injuring 175 people and killing 21.
Which road has the most fatal truck crashes in Silverthorne?
NHTSA data shows I-70 with 5 fatal large-truck crashes within 10 miles of Silverthorne since 2015, the highest of any road.
When do most truck crashes happen in Silverthorne?
Truck crashes in Summit County peak in February, with 12.8% of the year's crashes.
How many garbage truck crashes are there in Silverthorne?
Garbage trucks were involved in 5 reported crashes in Summit County since 2015 (1.0% of truck crashes).
What is the truck crash rate in Silverthorne compared with Colorado?
Summit County records 144.2 truck crashes per 100,000 residents a year, against 32.6 across Colorado.
How can I plan a safer truck route in Silverthorne?
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.