The State Highway Patrol is continuing to investigate a serious collision involving one of its members from today in Charlotte. On Saturday, July 4, at approximately 8:36 am, Trooper Adolfo A. Lopez-Alcedo was struck while assisting with a follow up collision investigation that occurred the previous day. As Trooper Lopez-Alcedo was beginning a shutdown of the I-485 Outer Loop near the 21-mile marker, he was struck while outside of his patrol vehicle.