San Luis, CO truck route planning & crash data
Plan safer truck routes in San Luis: commercial truck and garbage truck crashes in San Luis and Costilla County, dangerous roads, seasonality and route safety data for fleets. Patterns use Costilla County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 56 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Costilla County compares with Colorado
Costilla County against Colorado and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Costilla County stands out
Full comparison
| Measure (2015–2025) | Costilla County | Colorado | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 135.6 | 32.6 | 49.7 | 4.2× the state |
| Deaths per 100 crashes | 16.4 | 5.1 | 3.4 | 3.2× the state |
| Injuries per crash | 0.44 | 0.32 | 0.49 | 1.4× the state |
| Garbage-truck share | 1.8% | 2.8% | 2.3% | 35% below the state |
| On snow, slush or ice | 30.9% | 14.8% | 6.2% | 2.1× the state |
| Morning rush (6–10 am) | 18.2% | 25.7% | 23.7% | 29% below the state |
| In rain, sleet or snow | 23.6% | 13.2% | 13.8% | 1.8× the state |
| Winter months (Nov–Mar) | 50.9% | 43.5% | 41.9% | 1.2× the state |
| After dark | 41.8% | 22.4% | 24.8% | 1.9× the state |
Compared with Colorado, Costilla County is lower on garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Costilla County at a glance: 16.4 deaths for every 100 truck crashes, against 5.1 across Colorado.
Overview
Police reported 56 crashes involving commercial trucks in Costilla County since 2015: 24 people were injured and 9 were killed.
In complete reporting years that works out to about one truck crash every 73 days.
With 0 truck crashes reported in San Luis since 2015, this page uses Costilla County numbers for its patterns and comparisons.
89% of truck crash reports in Costilla County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in December (17.9% of the year) and are lowest in February (3.6%).
November through March accounts for 50.9% of truck crashes here, compared with 43.5% in Colorado.
More truck crashes happen at 2–3 pm than at any other hour (12.5%).
Snow, slush or ice was on the road in 30.9% of truck crashes, compared with 14.8% in Colorado.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of San Luis since 2015.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.8% share (Colorado: 2.8%).
Route planning tips for San Luis fleets
- Build extra time into December routes: it has the most truck crashes here.
- Icy and snowy roads show up in 30.9% of truck crashes here, more than Colorado; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Costilla County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Costilla County) |
|---|---|
| Hwy 160 At Mp 276 | 3 |
| Hwy 160 1,056 Feet E Of Mp 259 | 2 |
| Hwy 160 At Mp 249 | 2 |
| Hwy 160 At Mp 262 | 2 |
| Hwy 160 At Mp 266 | 2 |
| Hwy 160 At Mp 273 | 2 |
| Hwy 160 At Mp 275 | 2 |
| Hwy 160 At Mp 278 | 2 |
San Luis at a glance
| Population | 628 |
| Land area | 0.6 sq mi |
| Density | 1,108 per sq mi |
| Median household income (ZIP 81126) | $52,870 |
| Median home value (ZIP 81126) | $216,000 |
Waste facilities and haulers nearby
Historical data: truck crashes in Costilla 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 | 5 | — | 0.1 |
| 2000s | 4 | -10% | 0.1 |
| 2010s | 6 | +30% | 1.0 |
| 2020s | 6 | -2% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 6. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.8 a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about San Luis
How many truck accidents are there in San Luis?
56 truck crashes have been reported in Costilla County since 2015, with 9 deaths and 24 injuries.
What is the worst month for truck crashes in San Luis?
Truck crashes in Costilla County peak in December, with 17.9% of the year's crashes.
How many garbage truck crashes are there in San Luis?
Garbage trucks were involved in 1 reported crash in Costilla County since 2015 (1.8% of truck crashes).
How do truck crashes in San Luis compare with Colorado?
The yearly rate is 135.6 truck crashes per 100,000 residents in Costilla County, vs 32.6 for Colorado.
What is the best way to plan truck routes in San Luis?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.