(KRON) -- A driver involved in a wrong-way double fatal crash in Concord on Monday was arrested on suspicion of driving under the influence, according to the California Highway Patrol. Two of her passengers were killed in the early morning collision on Interstate 680. At 1:50 a.m., less than a minu te after CHP officers were dispatched to a report of a wrong-way Lexus driver traveling southbound in the northbound lanes of I-680, units were advised of a two-vehicle head-on crash on the freeway just south of Willow Pass Road. Investigators said the wrong-way Lexus was being driven by a woman, with a man in the front passenger seat and a man and a woman in the rear passenger seats. The other vehicle, a Chevrolet car, was being driven by a woman, who was the sole occupant. Possible motive uncovered for Dublin couple accused of murdering son-in-law in park Both of the passengers in the rear seats of the Lexus were pronounced deceased at the scene. The two drivers and the front passenger of the Lexus who survived the crash were hospitalized for major injuries. “A DUI investigation was conducted, and the driver of the Lexus was placed in custody on suspicion of DUI,” CHP wrote. Anyone who witnessed events leading up to the fatal collision is asked to contact the CHP Contra Costa Area office at 925-387-1900. All lanes of northbound I-680 reopened by 6:26 a.m. ...read more read less