1 dead after car flies off SR 99 overpass onto street below in Seattle

SEATTLE - Troopers are investigating what led up to a car driving off of a highway and onto the street below killing one person.

Police were called after 2:00 p.m. to State Route 99 and Michigan Street in Seattle's Georgetown neighborhood.

It was not immediately known what caused the crash. Troopers are investigating.

Transportation officials shut down the off-ramp from SR 99 northbound to Michigan St. for the investigation, but it has since reopened. 

Check our live traffic map here.

This is a developing story. Check back for updates.