CrashStory
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Analyzing Data...
Approximate crash location near HWY 121, AT, HWY 285 NB RAMPS, JEFFERSON County, CO
Recent Injury Crashes Near JEFFERSON
These recent nearby crashes involved reported injuries or fatalities and give useful context for how severe incidents cluster around this block.
HIGHWAY 121 & HWY 285 EB ON RAMP
< 0.1 miAug 29, 2024 | Two-Vehicle Crash
2 vehicles | 1 injured
HWY 121 & HWY 285
< 0.1 miMar 24, 2025 | Rear-End Collision
2 vehicles | 2 injured
HIGHWAY 121 & HIGHWAY 285
< 0.1 miDec 25, 2025 | Two-Vehicle Crash
2 vehicles | 4 injured
HIGHWAY 121 & HWY 285 EB ON RAMP
< 0.1 miOct 15, 2025 | Two-Vehicle Crash
2 vehicles | 1 injured
On Sunday, May 11, 2025, at approximately 12:58 AM, a two-vehicle crash occurred on HWY 121, near HWY 285 NB RAMPS, JEFFERSON County, Colorado. 2 vehicles were involved in the property damage only-level incident, which resulted in no reported injuries. Clear weather conditions and dark (street-lit) lighting were noted at the time of the crash.
How to get your Colorado State Patrol crash report
Use the case number, responding agency, and records office details below to request the official crash report.
Case number
1A251239
Use this with Colorado State Patrol when requesting the official report.
Reporting agency
Colorado State Patrol
Use the agency page or records guide for request instructions.
Records office
Colorado State Patrol
Crash location reference
Hwy 285 Nb Ramps
Route 121A | 7.469 | At Intersection
Crash classification
Approach Turn
Pulled directly from the preserved source record.
