Sugarloaf, CO truck route planning & crash data
Plan safer truck routes in Sugarloaf: commercial truck and garbage truck crashes in Sugarloaf and Boulder County, dangerous roads, seasonality and route safety data for fleets. Patterns use Boulder County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.5 deaths per 100 garbage-truck crashes vs 4.5 for all trucks.
Deadliest roads
How Boulder County compares with Colorado
Boulder County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Boulder County stands out
Full comparison
| Measure (2015–2025) | Boulder County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 14.6 | 32.6 | 49.7 | 55% below the state |
| Deaths per 100 crashes | 4.5 | 5.1 | 3.4 | 12% below the state |
| Injuries per crash | 0.36 | 0.32 | 0.49 | 1.1× the state |
| Garbage-truck share | 4.1% | 2.8% | 2.3% | 1.5× the state |
| On snow, slush or ice | 10.2% | 14.8% | 6.2% | 31% below the state |
| Morning rush (6–10 am) | 29.0% | 25.7% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 10.0% | 13.2% | 13.8% | 24% below the state |
| Winter months (Nov–Mar) | 42.9% | 43.5% | 41.9% | same |
| After dark | 10.0% | 22.4% | 24.8% | 55% below the state |
Boulder County has lower values than Colorado for crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Sugarloaf: US-36 deadliest road: 2 fatal truck crashes within 10 miles of Sugarloaf since 2015.
Overview
Boulder County has recorded 563 truck crashes since 2015, with 212 people injured and 24 killed.
That averages about one truck crash every 8 days in fully reported years.
Only 0 truck crashes were reported in Sugarloaf since 2015; patterns below come from Boulder County as a whole.
36% of truck crash reports in Boulder County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in June (10.8% of the year) and are lowest in April (5.9%).
November through March accounts for 42.9% of truck crashes here, compared with 43.5% in Colorado.
More truck crashes happen at 1–2 pm than at any other hour (11.0%).
10.2% of truck crashes here happened on snow, slush or ice, against 14.8% across Colorado.
Where crashes happen
US-36 leads within 10 miles of Sugarloaf with 2 fatal crashes involving a large truck since 2015. It is followed by CR-SUNSHINE Canyon Dr (1), SR-7 (1) and SR-72 (1).
Garbage & waste trucks
24 crashes involved a garbage or refuse truck, a 4.3% share (Colorado: 2.8%).
The most garbage-truck crashes happen in August (17%).
Deaths per 100 garbage-truck crashes: 4.5, vs 4.5 for all truck crashes.
Route planning tips for Sugarloaf fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in Boulder County.
- Check whether your routes use US-36, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at August schedules: garbage-truck crashes peak then.
- The morning rush (6–10 am) holds 29.0% of truck crashes here, more than Colorado; adjust start times where you can.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Boulder County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-36 | 2 |
| CR-SUNSHINE Canyon Dr | 1 |
| SR-7 | 1 |
| SR-72 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Boulder County) |
|---|---|
| Hwy 287 At Mp 306 | 4 |
| Hwy 66 At Mp 37 | 4 |
| Ken Pratt Blvd At Bowen St | 3 |
| Hwy 66 At Mp 38 | 3 |
| Hwy 52 At Mp 6 | 3 |
| Hwy 36 At Mp 44 | 3 |
| Hwy 36 At Mp 42 | 3 |
| Hwy 36 At Mp 40 | 3 |
Sugarloaf at a glance
| Land area | 2.2 sq mi |
| Median household income (ZIP 80302) | $61,698 |
| Median home value (ZIP 80302) | $1,199,304 |
Waste facilities and haulers nearby
Historical data: truck crashes in Boulder 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 | 34 | — | 1.4 |
| 2000s | 46 | +36% | 1.9 |
| 2010s | 50 | +8% | 2.6 |
| 2020s | 44 | -13% | 1.4 |
In the 1990s about 34 truck crashes a year were reported; in the 2020s, about 44. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 4.2 a year in 2016–19 and 1.4 a year in 2020–24.
Nearby places
Questions fleets ask about Sugarloaf
How common are truck crashes in Sugarloaf?
563 truck crashes have been reported in Boulder County since 2015, with 24 deaths and 212 injuries.
What is the most dangerous road for trucks in Sugarloaf?
NHTSA data shows US-36 with 2 fatal large-truck crashes within 10 miles of Sugarloaf since 2015, the highest of any road.
What is the worst month for truck crashes in Sugarloaf?
The worst month is June: 10.8% of truck crashes in Boulder County happen then.
How many garbage truck crashes are there in Sugarloaf?
Garbage trucks were involved in 24 reported crashes in Boulder County since 2015 (4.3% of truck crashes).
How does Sugarloaf compare with Colorado for truck crashes?
The yearly rate is 14.6 truck crashes per 100,000 residents in Boulder County, vs 32.6 for Colorado.
What is the best way to plan truck routes in Sugarloaf?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.