The Brief A 33-year-old Seattle woman died Monday morning after exiting a moving car and being struck by another vehicle on northbound Interstate 5 in Federal Way. Washington State Patrol troopers responded to the crash around 12:17 a.m. near South 272nd Street, where both drivers involved stopped on the right shoulder. Investigators blocked all northbound lanes for nearly four hours as they worked to determine why the woman left the moving vehicle and whether impairment was a factor. An investigation is underway after a Seattle woman was struck and killed on I-5 in Federal Way on Monday morning after exiting a moving vehicle. The Source: Information in this story comes from the Washington State Patrol.