ZIP 80435 (Dillon, CO) truck route planning & crash data
Plan safer truck routes around ZIP 80435: commercial truck and garbage truck crashes here and in Summit County, 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
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). Where it is higher: crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
The headline for Summit County: 44.1% share of truck crashes on snow, slush or ice (Colorado: 14.8%).
Overview
Police reported 506 crashes involving commercial trucks in Summit County since 2015: 175 people were injured and 21 were killed.
In complete reporting years that works out to about one truck crash every 8 days.
When crashes happen
Truck crashes peak in February (12.8% of the year) and are lowest in August (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%).
Road surface: 44.1% of truck crashes were on snow, slush or ice (Colorado: 14.8%).
Where crashes happen
Within this area, I-70 had the most fatal crashes involving a large truck since 2015 (5). After it: 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 ZIP 80435 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Summit County.
- Where you can, review stops along I-70; it has the most fatal large-truck crashes nearby.
- With 44.1% of truck crashes on snow, slush or ice (above Colorado), plan winter equipment checks early.
- 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 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 |
| 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 |
ZIP 80435 at a glance
| Population | 8,715 |
| Density | 32 per sq mi |
| Median household income | $97,463 |
| Median home value | $940,916 |
| Home ownership | 62% |
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 crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 80435
How many truck crashes happen in ZIP 80435?
Since 2015, 506 crashes involving commercial trucks were reported in Summit County (175 injured, 21 killed).
Which road has the most fatal truck crashes in ZIP 80435?
NHTSA data shows I-70 with 5 fatal large-truck crashes within 10 miles of ZIP 80435 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 80435?
The worst month is February: 12.8% of truck crashes in Summit County happen then.
Are garbage truck crashes common in ZIP 80435?
Since 2015, Summit County has reported 5 garbage-truck crashes, or 1.0% of its truck crashes.
How do truck crashes in ZIP 80435 compare with Colorado?
Per 100,000 residents, Summit County has 144.2 truck crashes a year; Colorado has 32.6.
How do I plan a garbage truck route in ZIP 80435?
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.