Auburn woman dies three days after motorcycle crash on I-5

Published 5:10 pm Wednesday, September 13, 2023

A 48-year-old Auburn woman died at Harborview Medical Center three days after she suffered severe injuries in a single-vehicle motorcycle collision on Sept. 2 in Seattle.

The collision resulted in the hospitalizations of Therecilla Casino Allen, 48, of Auburn — a passenger on the motorcycle — and the driver, a 53-year-old Auburn man.

Harborview Medical Center staff declared Allen deceased on Sept. 5, according to Susan Gregg, media relations director for UW Medicine.

Allen died of multiple blunt force injuries to the head and torso, according to the King County Medical Examiner’s Office, which ruled her death an accident.

ccording to an updated Sept. 9 news release from the Washington State Patrol, the motorcycle struck a puddle of water traveling northbound on Interstate 5 at the convention center, flipping and ejecting both riders.

The motorcycle arrived at a stop on the right shoulder.

First responders transported Allen and the driver to Harborview Medical Center in Seattle for injuries suffered in the collision.

The collision caused roadway blockages for 2 hours and 16 minutes.

The Washington State Patrol’s investigation into the cause of the collision continues.