(Portland, OR) -- Police say a man died late Saturday after fleeing a traffic stop and running across I-5 in North Portland. Officers say they attempted a stop on North Rosa Parks Way just before 11 p.m., but did not pursue when the driver sped off. He crashed near the southbound on-ramp, then tried to cross the freeway on foot, where he was struck and killed. The driver who hit him remained at the scene and is cooperating with investigators.