The crash happened around 4:00 a.m. July 26, 2017 on Alderwood Mall Parkway. The car hit the semi with such force that it became wedged under the trailer and its top was sheared off.

The Snohomish County Medical Examiner’s Office identified the teens as Landon Staley, 16; Travin Nelson Phongphiou, 16; and Mikayla Sorenson, 15. All three were friends and students at Henry Jackson High School in Mill Creek. Driver had THC in system when car slammed into parked semi, killing 3 teens

See more underride tragedies at Underride Crash Memorials and on our Interactive Underride Crash Map. To add more information on this story or to add other underride crashes to this map, send an email to underridemap@gmail.com; use this Interactive Underride Crash Map Crash Location Input Form.

What is wrong with this analysis of a fatal truck crash?

Note: In order to raise awareness and preserve the memories of underride victims — precious ones gone too soon — I have been writing memorial posts on what appear to me to be underride crashes. I am not a crash reconstructionist, and I do not have all the facts on these crashes; but underride should be investigated as a potential factor in truck crash injuries and deaths.