Superior, CO truck route planning & crash data
Plan safer truck routes in Superior: commercial truck and garbage truck crashes in Superior 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 sits below Colorado on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above Colorado on injuries per crash, garbage-truck share and morning rush (6–10 am).
Boulder County at a glance: 1 in 24 garbage-truck share of crashes is 4.1%, against 2.8% for Colorado.
Overview
Police reported 563 crashes involving commercial trucks in Boulder County since 2015: 212 people were injured and 24 were killed.
That averages about one truck crash every 8 days in fully reported years.
With 3 truck crashes reported in Superior since 2015, this page uses Boulder County numbers for its patterns and comparisons.
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
June has the most truck crashes, 10.8% of the yearly total, while April has the fewest (5.9%).
The five winter months (November to March) hold 42.9% of truck crashes, against 43.5% across Colorado.
By time of day, 1–2 pm stands out with 11.0% of truck crashes.
Road surface: 10.2% of truck crashes were on snow, slush or ice (Colorado: 14.8%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Superior since 2015 were spread across roads: I-25 (4), SR-93 (4), US-287 (3), SR-128 (2) and SR-121 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 24 crashes, 4.3% of the total, against 2.8% across Colorado.
Their busiest month is August, with 17% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 4.5, vs 4.5 for all truck crashes.
Route planning tips for Superior fleets
- Review driver schedules for June, the month with the most truck crashes.
- Garbage-truck crashes here peak in August; review collection routes for that month.
- 29.0% of truck crashes happen between 6 and 10 am, above Colorado; consider earlier or later starts where possible.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Boulder County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-25 | 4 |
| SR-93 | 4 |
| US-287 | 3 |
| SR-128 | 2 |
| SR-121 | 1 |
| SR-7 | 1 |
| SR-95 | 1 |
| Stacy Dr | 1 |
| US-36 | 1 |
| Uptown Ave | 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 |
Superior at a glance
| Population | 13,654 |
| Land area | 3.9 sq mi |
| Density | 3,472 per sq mi |
| Median household income (ZIP 80027) | $154,232 |
| Median home value (ZIP 80027) | $888,924 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 34 to 44. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 4.2 a year in 2016–19, 1.4 a year in 2020–24.
Nearby places
Questions fleets ask about Superior
How common are truck crashes in Superior?
Boulder County has had 563 reported truck crashes since 2015, injuring 212 people and killing 24.
When do most truck crashes happen in Superior?
Truck crashes in Boulder County peak in June, with 10.8% of the year's crashes.
How many garbage truck crashes are there in Superior?
24 crashes involving garbage or refuse trucks have been reported in Boulder County since 2015, 4.3% of all truck crashes.
How do truck crashes in Superior compare with Colorado?
Boulder County records 14.6 truck crashes per 100,000 residents a year, against 32.6 across Colorado.
What is the best way to plan truck routes in Superior?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.