Four Square Mile, CO truck route planning & crash data
Plan safer truck routes in Four Square Mile: commercial truck and garbage truck crashes in Four Square Mile and Denver County, dangerous roads, seasonality and route safety data for fleets. Patterns use Denver County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.7 deaths per 100 garbage-truck crashes vs 2.4 for all trucks.
Deadliest roads
How Denver County compares with Colorado
Denver County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Denver County stands out
Full comparison
| Measure (2015–2025) | Denver County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.5 | 32.6 | 49.7 | 13% below the state |
| Deaths per 100 crashes | 2.4 | 5.1 | 3.4 | 53% below the state |
| Injuries per crash | 0.24 | 0.32 | 0.49 | 25% below the state |
| Garbage-truck share | 3.8% | 2.8% | 2.3% | 1.4× the state |
| On snow, slush or ice | 7.0% | 14.8% | 6.2% | 52% below the state |
| Morning rush (6–10 am) | 28.5% | 25.7% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 8.3% | 13.2% | 13.8% | 37% below the state |
| Winter months (Nov–Mar) | 44.2% | 43.5% | 41.9% | same |
| After dark | 18.3% | 22.4% | 24.8% | 18% below the state |
Denver County sits below Colorado on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share and morning rush (6–10 am).
Four Square Mile at a glance: I-70 most fatal truck crashes within 10 miles of Four Square Mile: 14 since 2015.
Overview
Police reported 2,428 crashes involving commercial trucks in Denver County since 2015: 592 people were injured and 55 were killed.
That averages about one truck crash every 2 days in fully reported years.
Four Square Mile had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Denver County numbers.
When crashes happen
January has the most truck crashes, 9.2% of the yearly total, while July has the fewest (7.7%).
Winter months (Nov–Mar) carry 44.2% of truck crashes, vs 43.5% for Colorado.
The busiest hour is 8–9 am, with 8.7% of truck crashes.
7.0% of truck crashes here happened on snow, slush or ice, against 14.8% across Colorado.
Where crashes happen
I-70 leads within 10 miles of Four Square Mile with 14 fatal crashes involving a large truck since 2015. It is followed by I-25 (7), I-225 (4) and SR-30 (3).
Garbage & waste trucks
Garbage and refuse trucks were involved in 95 crashes, 3.9% of the total, against 2.8% across Colorado.
Their busiest month is September, with 12% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 4.7, vs 2.4 for all truck crashes.
Route planning tips for Four Square Mile fleets
- Review driver schedules for January, the month with the most truck crashes.
- Where you can, review stops along I-70; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in September; review collection routes for that month.
- The morning rush (6–10 am) holds 28.5% of truck crashes here, more than Colorado; adjust start times where you can.
- 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 Denver County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-70 | 14 |
| I-25 | 7 |
| I-225 | 4 |
| SR-30 | 3 |
| SR-35 | 3 |
| US-85 | 3 |
| E 56th Ave | 2 |
| E Mississippi Ave | 2 |
| I-270 | 2 |
| SR-265 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Denver County) |
|---|---|
| I 25 At Mp 212 | 30 |
| I 70 At Mp 280 | 25 |
| I 25 At Mp 209 | 18 |
| I 70 At Mp 275 | 18 |
| I 25 At Mp 211 | 17 |
| I 70 At Mp 281 | 17 |
| I 25 At Mp 210 | 16 |
| I 70 At Mp 276 | 13 |
Four Square Mile at a glance
| Land area | 2.7 sq mi |
| Median household income (ZIP 80231) | $76,502 |
| Median home value (ZIP 80231) | $507,815 |
Waste facilities and haulers nearby
Historical data: truck crashes in Denver 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 | 161 | — | 4.0 |
| 2000s | 259 | +61% | 2.1 |
| 2010s | 200 | -23% | 2.8 |
| 2020s | 206 | +3% | 4.8 |
In the 1990s about 161 truck crashes a year were reported; in the 2020s, about 206. Reporting coverage also changed between these periods. Fatal large-truck crashes: 4.2 a year in 2016–19, 4.8 a year in 2020–24.
Nearby places
Questions fleets ask about Four Square Mile
How common are truck crashes in Four Square Mile?
2,428 truck crashes have been reported in Denver County since 2015, with 55 deaths and 592 injuries.
Which road has the most fatal truck crashes in Four Square Mile?
Since 2015, I-70 has had the most fatal large-truck crashes within 10 miles of Four Square Mile: 14.
When do most truck crashes happen in Four Square Mile?
January has the most truck crashes in Denver County, 9.2% of the yearly total.
How many garbage truck crashes are there in Four Square Mile?
95 crashes involving garbage or refuse trucks have been reported in Denver County since 2015, 3.9% of all truck crashes.
How does Four Square Mile compare with Colorado for truck crashes?
Per 100,000 residents, Denver County has 28.5 truck crashes a year; Colorado has 32.6.
How do I plan a garbage truck route in Four Square Mile?
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.