(Portland, OR) -- Portland Police have released the identity of the bicyclist who was killed in a head-on collision with a Jeep Wrangler Tuesday afternoon. The victim is identified as 72-year-old Margaret Shrader. Police say she was wearing a helmet and high-visibility vest when the bike she was riding collided head-on with the Jeep in the Ashcreek-Crestwood neighborhood. The driver of the Jeep remained on the scene during the investigation. No charges have yet been filed.