The incident happened around 8:20 p.m. near the Paramount Boulevard exit. Traffic on the eastbound side was shut down into the early morning hours Tuesday as officers investigated, but two lanes later reopened at around 5 a.m. The westbound side was moving slowly after the incident.
A body was covered by a tarp on the roadway at the scene, and what appeared to be a samurai sword was also visible nearby.
Multiple California Highway Patrol cruisers raced to the scene.
CHP says two officers were assisting Caltrans on the side of the freeway when they initiated a stop. At some point during that stop, an officer-involved shooting occurred.
It was not immediately known if one or both officers fired, or if the suspect had a weapon.