Editor’s note: This story has been edited to reflect an update by CHP. The driver who died was a woman.

OCEANSIDE, Calif. — A driver, later confirmed as a U.S. Marine, was killed in a North County crash on Wednesday morning, said the California Highway Patrol.

Around 6:15 a.m., a 20-year-old servicewoman from Sacramento County was driving a Nissan Altima in the No. 3 lane of northbound Interstate 5, south of Oceanside Boulevard, when for unknow reasons she veered across the northbound lanes of traffic.

Officials say she then went down an embankment and the vehicle rolled over.

CHP, the Oceanside Police Department and Oceanside Fire paramedics responded to the scene to assist the driver, however, the woman was pronounced dead at the scene.

Officials do not suspect drugs or alcohol to be a factor in the crash.

First Lt. N.P. Paglialonga confirmed the deceased individual was an active duty 3rd MAW Marine.

An investigation into the incident is ongoing.

CHP has encouraged anyone who may have witnessed this incident to contact the Oceanside Area CHP office at (760) 643-3400.