The southbound lanes were closed between mile markers 36.6 and 34.5 as of 12 noon -- nearly 2.5 hours after the crash, PA State Trooper First Class Nathan T. Branosky told Daily Voice.
EMS treated the victim for unknown but serious injuries, Branosky said.
SP Trevose Patrol Unit and the Troop M Collision Analysis Reconstruction Unit were investigating.
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