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On Tuesday, August 19, 2025, at approximately 11:05 PM, a broadside (T-bone) collision occurred on CASCADE AVE, near 15TH ST, BOULDER, BOULDER 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.
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Near CASCADE AVE, AT, 15TH ST, BOULDER, BOULDER County, CO, BOULDER
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Nearby Crashes in BOULDER
Other accidents reported within 5 miles of this location
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Aug 8, 2024 · 2 vehicles
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Sep 13, 2025 · 3 vehicles · 2 injured
Parked Vehicle Collision — CASCADE AVE
Dec 10, 2024 · 2 vehicles
Parked Vehicle Collision — 15TH ST
Jun 9, 2024 · 3 vehicles
Broadside (T-Bone) — 17TH ST
May 3, 2025 · 2 vehicles
Liability Context
General information based on this crash's reported factors and Colorado law
T-Bone / Broadside Collision Pattern
Broadside collisions frequently involve right-of-way violations at intersections. Fault often depends on which driver had the green light or right of way.
Fuicelli & Lee — T-Bone AccidentsThis is general informational context, not legal advice. Every crash is different. If you were involved in this accident, consult with a qualified attorney for guidance specific to your situation.
Overview
This incident is classified as a broadside (T-bone) collision involving 2 vehicles. Vehicle 1 (SUV) was northbound traveling straight. Vehicle 2 (SUV) was eastbound traveling straight.
The sequence of harmful events included: Front To Side. The most harmful event was determined to be "front to side".
The pre-crash maneuver was classified as "not applicable".
Key Questions
Was alcohol involved?
No, alcohol involvement was not documented.
No
Was speed a factor?
No, speed was not identified as a factor.
No
Was this a hit-and-run?
No, this was not a hit-and-run.
No
Were there fatalities?
No fatalities were reported in this crash.
No
Was it in a work zone?
No, this crash was not in a work zone.
No
Was it in a school zone?
No, this crash was not in a school zone.
No
Were pedestrians/cyclists involved?
No pedestrians or cyclists were documented in this crash.
No
Were weather conditions adverse?
No, weather conditions were clear or not a documented factor.
No
Were road conditions adverse?
No, the road surface was dry or conditions were not a factor.
No
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Crash Summary
DateAugust 19, 2025
Time11:05 PM
Day of WeekTuesday
LocationCASCADE AVE & 15TH ST
CityBOULDER
CountyBOULDER County
Crash TypeBroadside
SeverityProperty Damage Only
Vehicles2
Total Injuries0
Total Fatalities0
WeatherClear
Road ConditionDry