ZIP 80544 (Niwot, CO) truck route planning & crash data
Plan safer truck routes around ZIP 80544: commercial truck and garbage truck crashes here and in Boulder 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
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 |
Compared with Colorado, Boulder County is lower on 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 ZIP 80544: SR-119 5 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 80544.
Overview
Boulder County has recorded 563 truck crashes since 2015, with 212 people injured and 24 killed.
In complete reporting years that works out to about one truck crash every 8 days.
When crashes happen
Truck crashes peak in June (10.8% of the year) and are lowest in April (5.9%).
The five winter months (November to March) hold 42.9% of truck crashes, against 43.5% across Colorado.
The busiest hour is 1–2 pm, with 11.0% of truck crashes.
10.2% of truck crashes here happened on snow, slush or ice, against 14.8% across Colorado.
Where crashes happen
Within this area, SR-119 had the most fatal crashes involving a large truck since 2015 (5). Next come US-287 (4), US-36 (3) and Hover St (2).
Garbage & waste trucks
24 crashes involved a garbage or refuse truck, a 4.3% share (Colorado: 2.8%).
Their busiest month is August, with 17% of garbage-truck crashes.
They recorded 4.5 deaths per 100 crashes, against 4.5 for all trucks.
Route planning tips for ZIP 80544 fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in Boulder County.
- Check whether your routes use SR-119, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in August; review collection routes for that month.
- 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
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
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) |
|---|---|
| SR-119 | 5 |
| US-287 | 4 |
| US-36 | 3 |
| Hover St | 2 |
| SR-52 | 2 |
| SR-66 | 2 |
| Aggregate Blvd | 1 |
| Boston Ave | 1 |
| CR-NELSON Rd | 1 |
| CR-SUNSHINE Canyon Dr | 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 |
ZIP 80544 at a glance
| Population | 0 |
| Density | 0 per sq mi |
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 crashes involving a large truck averaged 4.2 a year in 2016–19 and 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 80544
How common are truck crashes in ZIP 80544?
Since 2015, 563 crashes involving commercial trucks were reported in Boulder County (212 injured, 24 killed).
What is the most dangerous road for trucks in ZIP 80544?
NHTSA data shows SR-119 with 5 fatal large-truck crashes within 10 miles of ZIP 80544 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 80544?
Truck crashes in Boulder County peak in June, with 10.8% of the year's crashes.
Are garbage truck crashes common in ZIP 80544?
Garbage trucks were involved in 24 reported crashes in Boulder County since 2015 (4.3% of truck crashes).
How do truck crashes in ZIP 80544 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 ZIP 80544?
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.