Dillon, CO truck route planning & crash data
Plan safer truck routes in Dillon: commercial truck and garbage truck crashes in Dillon 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.
Summit County at a glance: 44.1% share of truck crashes on snow, slush or ice (Colorado: 14.8%).
Overview
Summit County has recorded 506 truck crashes since 2015, with 175 people injured and 21 killed.
In complete reporting years that works out to about one truck crash every 8 days.
Dillon had 4 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Summit County numbers.
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%).
Winter months (Nov–Mar) carry 49.8% of truck crashes, vs 43.5% for Colorado.
More truck crashes happen at 3–4 pm than at any other hour (8.5%).
44.1% of truck crashes here happened on snow, slush or ice, against 14.8% across Colorado.
Where crashes happen
The deadliest road for trucks within 10 miles of Dillon is I-70, with 4 fatal large-truck crashes since 2015. It is followed by US-6 (2), Bridge St (1) and CR-SWAN Mountain Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 5 crashes, 1.0% of the total, against 2.8% across Colorado.
Route planning tips for Dillon fleets
- Build extra time into February routes: it has the most truck crashes here.
- Check whether your routes use I-70, the road with the most fatal truck crashes in this area.
- Icy and snowy roads show up in 44.1% of truck crashes here, more than Colorado; 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 Summit County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-70 | 4 |
| US-6 | 2 |
| Bridge St | 1 |
| 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 |
Dillon at a glance
| Population | 1,013 |
| Land area | 1.5 sq mi |
| Density | 682 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 |
Reported truck crashes averaged 30 a year in the 1990s and 46 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Dillon
How many truck crashes happen in Dillon?
Summit County has had 506 reported truck crashes since 2015, injuring 175 people and killing 21.
What is the most dangerous road for trucks in Dillon?
NHTSA data shows I-70 with 4 fatal large-truck crashes within 10 miles of Dillon since 2015, the highest of any road.
What is the worst month for truck crashes in Dillon?
Truck crashes in Summit County peak in February, with 12.8% of the year's crashes.
Are garbage truck crashes common in Dillon?
Since 2015, Summit County has reported 5 garbage-truck crashes, or 1.0% of its truck crashes.
What is the truck crash rate in Dillon compared with Colorado?
Summit County records 144.2 truck crashes per 100,000 residents a year, against 32.6 across Colorado.
How do I plan a garbage truck route in Dillon?
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.