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Sheriff's Office

Posted on: March 10, 2020

LCSO Investigates Fatal Crash on Algonkian Parkway

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Loudoun County, VA (March 10, 2020) – The Loudoun County Sheriff’s Office is investigating a fatal crash that took the life of a motorcyclist Monday night.

The crash occurred shortly after 7:30 p.m. on Algonkian Parkway at Lowes Island Boulevard. A preliminary investigation determined the driver of a 2011 Prius was traveling westbound on Algonkian Parkway and was attempting to turn into a shopping center when he pulled in front of an eastbound motorcyclist. The driver of the Prius then sideswiped a second vehicle that was sitting at the intersection.

The motorcyclist, Stephen C. Dallaria, 40, of Great Falls, was taken to Reston Hospital where he lost his life. The driver of the Prius was also taken to Reston Hospital where he was treated for non-life-threatening injuries.

The crash remains under investigation by the Loudoun County Sheriff’s Office Crash Reconstruction Unit. Anyone who witnessed the crash and who has not already spoken to law enforcement is asked to contact Investigator D. Lake at 703-777-1021.

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