PORTLAND, Ore. (KOIN) — A man died after crashing his car into the back of a semi-truck on I-84 Friday evening. 

The truck driver stayed at the scene and cooperated with investigators. The PPB Major Crash Team is investigating what caused it.

The crash happened just before 8 p.m. in the westbound lanes near 122nd Avenue.

Westbound lanes of I-84 were closed for hours from 181st.

Any witnesses should call 503.823.3333.

WATCH: ODOT Camera of crash location