Castle Rock, CO truck route planning & crash data
Plan safer truck routes in Castle Rock: commercial truck and garbage truck crashes in Castle Rock and Douglas County, dangerous roads, seasonality and route safety data for fleets. Patterns use Douglas County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
19 of 959 truck crashes since 2015.
Deadliest roads
How Douglas County compares with Colorado
Douglas County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Douglas County stands out
Full comparison
| Measure (2015–2025) | Douglas County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 21.0 | 32.6 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 2.2 | 5.1 | 3.4 | 57% below the state |
| Injuries per crash | 0.27 | 0.32 | 0.49 | 16% below the state |
| Garbage-truck share | 1.9% | 2.8% | 2.3% | 33% below the state |
| On snow, slush or ice | 17.8% | 14.8% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 24.1% | 25.7% | 23.7% | same |
| In rain, sleet or snow | 14.6% | 13.2% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 44.0% | 43.5% | 41.9% | same |
| After dark | 21.2% | 22.4% | 24.8% | same |
Douglas County has lower values than Colorado for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher on snow, slush or ice and in rain, sleet or snow.
Castle Rock at a glance: SR-83 most fatal truck crashes within 10 miles of Castle Rock: 5 since 2015.
Overview
Police reported 959 crashes involving commercial trucks in Douglas County since 2015: 260 people were injured and 20 were killed.
That averages about one truck crash every 4 days in fully reported years.
With 56 truck crashes reported in Castle Rock since 2015, this page uses Douglas County numbers for its patterns and comparisons.
70% of truck crash reports in Douglas County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in January (9.8% of the year) and are lowest in June (6.5%).
November through March accounts for 44.0% of truck crashes here, compared with 43.5% in Colorado.
The busiest hour is 11 am–12 pm, with 8.9% of truck crashes.
17.8% of truck crashes here happened on snow, slush or ice, against 14.8% across Colorado.
Where crashes happen
Within this area, SR-83 had the most fatal crashes involving a large truck since 2015 (5). After it: I-25 (3), Butterfield Crossing Dr (1) and SR-67 (1).
Garbage & waste trucks
Garbage trucks account for 19 of the truck crashes here, or 2.0%, compared with 2.8% in Colorado.
Route planning tips for Castle Rock fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Douglas County.
- Check whether your routes use SR-83, the road with the most fatal truck crashes in this area.
- 17.8% of truck crashes were on snow, slush or ice, above Colorado; plan winter equipment checks before the season.
- 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 Douglas County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-83 | 5 |
| I-25 | 3 |
| Butterfield Crossing Dr | 1 |
| SR-67 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Douglas County) |
|---|---|
| I25 At Mp 172 | 14 |
| I 25 At Mp 181 | 11 |
| I25 At Mp 194 | 9 |
| I25 At Mp 168 | 9 |
| I25 At Mp 167 | 9 |
| Hwy 470 At Mp 17 | 8 |
| I 25 At Mp 189 | 8 |
| I 25 At Mp 193 | 8 |
Castle Rock at a glance
| Population | 83,213 |
| Land area | 34.7 sq mi |
| Density | 2,395 per sq mi |
| Median household income (ZIP 80109) | $155,025 |
| Median home value (ZIP 80109) | $675,700 |
Waste facilities and haulers nearby
Historical data: truck crashes in Douglas 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 | 37 | — | 1.4 |
| 2000s | 69 | +87% | 1.5 |
| 2010s | 68 | -2% | 1.3 |
| 2020s | 88 | +30% | 2.2 |
In the 1990s about 37 truck crashes a year were reported; in the 2020s, about 88. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.5 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Castle Rock
How common are truck crashes in Castle Rock?
Since 2015, 959 crashes involving commercial trucks were reported in Douglas County (260 injured, 20 killed).
What is the most dangerous road for trucks in Castle Rock?
SR-83 had 5 fatal crashes involving a large truck within 10 miles of Castle Rock since 2015, more than any other road.
When do most truck crashes happen in Castle Rock?
The worst month is January: 9.8% of truck crashes in Douglas County happen then.
How many garbage truck crashes are there in Castle Rock?
Garbage trucks were involved in 19 reported crashes in Douglas County since 2015 (2.0% of truck crashes).
How does Castle Rock compare with Colorado for truck crashes?
Douglas County records 21.0 truck crashes per 100,000 residents a year, against 32.6 across Colorado.
How do I plan a garbage truck route in Castle Rock?
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.