ZIP 80521 (Fort Collins, CO) truck route planning & crash data
Plan safer truck routes around ZIP 80521: commercial truck and garbage truck crashes here and in Larimer 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
0.0 deaths per 100 garbage-truck crashes vs 5.1 for all trucks.
Deadliest roads
How Larimer County compares with Colorado
Larimer County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Larimer County stands out
Full comparison
| Measure (2015–2025) | Larimer County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 27.4 | 32.6 | 49.7 | 16% below the state |
| Deaths per 100 crashes | 5.1 | 5.1 | 3.4 | same |
| Injuries per crash | 0.36 | 0.32 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.2% | 2.8% | 2.3% | 20% below the state |
| On snow, slush or ice | 9.9% | 14.8% | 6.2% | 33% below the state |
| Morning rush (6–10 am) | 26.2% | 25.7% | 23.7% | same |
| In rain, sleet or snow | 10.5% | 13.2% | 13.8% | 20% below the state |
| Winter months (Nov–Mar) | 38.4% | 43.5% | 41.9% | 12% below the state |
| After dark | 18.7% | 22.4% | 24.8% | 16% below the state |
Compared with Colorado, Larimer County is lower on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It stands out for higher injuries per crash.
What stands out in ZIP 80521: I-25 7 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 80521.
Overview
Since 2015, 1,195 crashes involving commercial trucks have been reported in Larimer County. They injured 427 people and killed 61.
Across the years with complete reporting, that is roughly one truck crash every 4 days.
When crashes happen
July has the most truck crashes, 10.6% of the yearly total, while December has the fewest (6.4%).
November through March accounts for 38.4% of truck crashes here, compared with 43.5% in Colorado.
The busiest hour is 1–2 pm, with 10.5% of truck crashes.
Road surface: 9.9% of truck crashes were on snow, slush or ice (Colorado: 14.8%).
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 80521 is I-25, with 7 fatal large-truck crashes since 2015. It is followed by US-287 (5), SR-392 (2) and CR-36 (1).
Garbage & waste trucks
25 crashes involved a garbage or refuse truck, a 2.1% share (Colorado: 2.8%).
The most garbage-truck crashes happen in January (20%).
They recorded 0.0 deaths per 100 crashes, against 5.1 for all trucks.
Route planning tips for ZIP 80521 fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Larimer County.
- Check whether your routes use I-25, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in January; review collection routes for that month.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Larimer County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-25 | 7 |
| US-287 | 5 |
| SR-392 | 2 |
| CR-36 | 1 |
| Harmony Rd | 1 |
| Lemay Ave | 1 |
| S Shields St | 1 |
| SR-14 | 1 |
| Timberline Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Larimer County) |
|---|---|
| E Eisenhower Blvd | 16 |
| I25 At Mp 262 | 11 |
| I 25 At Mp 258 | 8 |
| I 25 At Mp 269 | 8 |
| I25 At Mp 255 | 8 |
| I 25 At Mp 264 | 7 |
| Hwy 287 At Mp 350 | 7 |
| I 25 At Mp 287 | 6 |
ZIP 80521 at a glance
| Population | 38,776 |
| Density | 1,068 per sq mi |
| Median household income | $58,082 |
| Median home value | $558,414 |
| Home ownership | 37% |
Waste facilities and haulers nearby
Historical data: truck crashes in Larimer 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 | 54 | — | 3.5 |
| 2000s | 74 | +37% | 2.6 |
| 2010s | 90 | +21% | 3.8 |
| 2020s | 106 | +18% | 2.8 |
Reported truck crashes averaged 54 a year in the 1990s and 106 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 5.8 a year in 2016–19 and 2.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 80521
How many truck accidents are there in ZIP 80521?
Since 2015, 1,195 crashes involving commercial trucks were reported in Larimer County (427 injured, 61 killed).
Where do fatal truck crashes happen most in ZIP 80521?
NHTSA data shows I-25 with 7 fatal large-truck crashes within 10 miles of ZIP 80521 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 80521?
The worst month is July: 10.6% of truck crashes in Larimer County happen then.
How many garbage truck crashes are there in ZIP 80521?
Since 2015, Larimer County has reported 25 garbage-truck crashes, or 2.1% of its truck crashes.
How do truck crashes in ZIP 80521 compare with Colorado?
The yearly rate is 27.4 truck crashes per 100,000 residents in Larimer County, vs 32.6 for Colorado.
What is the best way to plan truck routes in ZIP 80521?
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.