ZIP 80128 (Littleton, CO) truck route planning & crash data
Plan safer truck routes around ZIP 80128: commercial truck and garbage truck crashes here and in Jefferson 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 5.8 for all trucks.
Deadliest roads
How Jefferson County compares with Colorado
Jefferson County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 14.9 | 32.6 | 49.7 | 54% below the state |
| Deaths per 100 crashes | 5.8 | 5.1 | 3.4 | 1.1× the state |
| Injuries per crash | 0.31 | 0.32 | 0.49 | same |
| Garbage-truck share | 3.7% | 2.8% | 2.3% | 1.3× the state |
| On snow, slush or ice | 14.4% | 14.8% | 6.2% | same |
| Morning rush (6–10 am) | 26.6% | 25.7% | 23.7% | same |
| In rain, sleet or snow | 12.6% | 13.2% | 13.8% | same |
| Winter months (Nov–Mar) | 42.2% | 43.5% | 41.9% | same |
| After dark | 17.0% | 22.4% | 24.8% | 24% below the state |
Compared with Colorado, Jefferson County is lower on crashes per 100k residents / yr and after dark. It runs above Colorado on deaths per 100 crashes and garbage-truck share.
The headline for ZIP 80128: SR-121 most fatal truck crashes within 10 miles of ZIP 80128: 3 since 2015.
Overview
Jefferson County has recorded 1,011 truck crashes since 2015, with 322 people injured and 56 killed.
Across the years with complete reporting, that is roughly one truck crash every 4 days.
When crashes happen
Truck crashes peak in January (10.2% of the year) and are lowest in December (6.4%).
The five winter months (November to March) hold 42.2% of truck crashes, against 43.5% across Colorado.
More truck crashes happen at 7–8 am than at any other hour (9.4%).
Snow, slush or ice was on the road in 14.4% of truck crashes, compared with 14.8% in Colorado.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 80128 is SR-121, with 3 fatal large-truck crashes since 2015. It is followed by US-85 (2), W Jewell Ave (2) and E County Line Rd (1).
Garbage & waste trucks
36 crashes involved a garbage or refuse truck, a 3.6% share (Colorado: 2.8%).
The most garbage-truck crashes happen in July (17%).
They recorded 0.0 deaths per 100 crashes, against 5.8 for all trucks.
Route planning tips for ZIP 80128 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Where you can, review stops along SR-121; it has the most fatal large-truck crashes nearby.
- For residential and commercial waste routes, look again at July schedules: garbage-truck crashes peak then.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-121 | 3 |
| US-85 | 2 |
| W Jewell Ave | 2 |
| E County Line Rd | 1 |
| S Holly St | 1 |
| S Kipling Pkwy | 1 |
| SR-177 | 1 |
| SR-391 | 1 |
| SR-470 | 1 |
| SR-88 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| I 70 At Mp 259 | 11 |
| C470 At Mp 1 | 7 |
| Hwy 285 At Mp 240 | 7 |
| I 70 At Mp 262 | 7 |
| I70 At Mp 262 | 6 |
| I 70 At Ward Rd | 6 |
| I 70 At Mp 257 | 6 |
| I 70 At Mp 253 | 6 |
ZIP 80128 at a glance
| Population | 36,712 |
| Density | 1,128 per sq mi |
| Median household income | $121,436 |
| Median home value | $586,093 |
| Home ownership | 84% |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 79 | — | 2.7 |
| 2000s | 114 | +44% | 2.3 |
| 2010s | 98 | -14% | 1.9 |
| 2020s | 76 | -22% | 3.6 |
Reported truck crashes averaged 79 a year in the 1990s and 76 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.5 fatal large-truck crashes a year in 2016–19 and 3.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 80128
How common are truck crashes in ZIP 80128?
Since 2015, 1,011 crashes involving commercial trucks were reported in Jefferson County (322 injured, 56 killed).
Where do fatal truck crashes happen most in ZIP 80128?
NHTSA data shows SR-121 with 3 fatal large-truck crashes within 10 miles of ZIP 80128 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 80128?
The worst month is January: 10.2% of truck crashes in Jefferson County happen then.
How many garbage truck accidents happen in ZIP 80128?
Since 2015, Jefferson County has reported 36 garbage-truck crashes, or 3.6% of its truck crashes.
How do truck crashes in ZIP 80128 compare with Colorado?
The yearly rate is 14.9 truck crashes per 100,000 residents in Jefferson County, vs 32.6 for Colorado.
What is the best way to plan truck routes in ZIP 80128?
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.