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Colorado Crash Report Details
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Vehicles
2
Injured
0
Weather
Clear
Lighting
Daylight

These are the most relevant recent crash reports within 5 miles of this location.

21ST AVE & MAIN ST
< 0.1 miNov 3, 2025 | Rear-End Collision
2 vehicles

21ST AVE & MAIN ST
< 0.1 miOct 6, 2025 | Two-Vehicle Crash
2 vehicles

MAIN ST & 21ST AVE
< 0.1 miAug 14, 2024 | Single-Vehicle Crash
1 vehicle

21ST AVE & MAIN ST
< 0.1 miAug 14, 2024 | Single-Vehicle Crash
1 vehicle
On Wednesday, May 29, 2024, at approximately 5:58 PM, a sideswipe collision (same direction) occurred on 21ST AVE, near MAIN ST, LONGMONT, BOULDER County, Colorado. 2 vehicles were involved in the property damage only-level incident, which resulted in no reported injuries. Clear weather conditions and daylight lighting were noted at the time of the crash.
Use the case number, responding agency, and records office details below to request the official crash report.
Case number
24-4903
Use this with Longmont Department of Public Safety when requesting the official report.
Reporting agency
Longmont Department of Public Safety
Use the agency page or records guide for request instructions.
Records office
Longmont Department of Public Safety
Crash location reference
Main St
Route 0820 | 21sta | Intersection Related
Crash classification
Sideswipe Same Direction
Pulled directly from the preserved source record.
Near 21ST AVE, 00090FW, MAIN ST, LONGMONT, BOULDER County, CO, LONGMONT
These are the most relevant recent crash reports within 5 miles of this location.

21ST AVE & MAIN ST
< 0.1 miNov 3, 2025 | Rear-End Collision
2 vehicles

21ST AVE & MAIN ST
< 0.1 miOct 6, 2025 | Two-Vehicle Crash
2 vehicles

MAIN ST & 21ST AVE
< 0.1 miAug 14, 2024 | Single-Vehicle Crash
1 vehicle

21ST AVE & MAIN ST
< 0.1 miAug 14, 2024 | Single-Vehicle Crash
1 vehicle

21ST AVE & MAIN ST
< 0.1 miSep 29, 2025 | Broadside (T-Bone)
2 vehicles
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