SAN FRANCISCO (BCN) — A woman was fatally hit by multiple cars on U.S. Highway 101 in San Francisco early Friday, the California Highway Patrol said.

The collision was reported shortly before 5 a.m. on the northbound 101 connector to Interstate Highway 280. CHP said that it was determined that three vehicles struck the woman. All three drivers remained at the scene and cooperated with authorities.

READ MORE: Twitter To Pay $809 Million To Settle Class Action Lawsuit Brought By Investors

The coroner responded to the scene, the CHP said. Authorities said it was not know why or how the woman got on the freeway.

READ MORE: KPIX Original Report: SF Mission Bay Sidewalks Sinking But City Won't Fix 'Private Property'

The connector ramp was closed after the collision but reopened about 7:20 a.m., the CHP said.

The female victim in the fatal collision has not been identified.

MORE NEWS: Motorcyclist Airlifted To Hospital After Crash Near Bethel Island

© Copyright 2021 CBS Broadcasting Inc. and Bay City News Service. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.