Gaithersburg, MD – Detectives from the Montgomery County Department of Police – Collision Reconstruction Unit are investigating a fatal collision that occurred on Saturday, May 16, 2026. The collision resulted in the death of 25-year-old Roger Gustavo Pineda Cardona of Gaithersburg.
At approximately 9:43 p.m., 6th District officers, Gaithersburg City Police, and Montgomery County Fire Rescue personnel responded to West Diamond Avenue at the ramp to southbound I-270 for the report of a collision involving a vehicle and a motorcycle.
The investigation has revealed that a green 2008 Kawasaki EX250 motorcycle was traveling eastbound on West Diamond Avenue, approaching the I-270 overpass, when it collided with the rear of a black 2022 Toyota Camry. The Toyota was making a left turn from westbound West Diamond Avenue onto southbound I-270.
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Upon arrival, responders located Pineda Cardona suffering from life-threatening injuries. He was transported to an area hospital, where he was pronounced dead. The driver of the Toyota and two passengers remained on scene and were uninjured.
This remains an active investigation and may take several weeks to months to complete. Anyone with information regarding this collision is asked to contact the Collision Reconstruction Unit at 240-773-6620.
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