38-Year-Old Man Dies, Alvaro Alvizo Diaz Arrested after Head-On Accident near Wellsona Road

PASO ROBLES, CA (March 17, 2023) – Late Tuesday night, Isaldo Santiago was killed in a wrong-way collision on Highway 101.

Police responded to the scene around 11:18 p.m., just north of Wellsona Road on March 14th.

According to reports, 33-year-old Alvaro Alvizo Diaz was heading east on Wellsona Road in a 2020 Nissan Sentra. For reasons unknown, he suddenly turned south onto the northbound lanes of Highway 101.

Diaz then struck an oncoming vehicle driven by Santiago, head-on at about 65 mph. Medical personnel arrived and pronounced 38-year-old Santiago, of Oxnard dead at the scene.

In addition, officers arrested Diaz on suspicion of DUI. Medics also transported him to Sierra Vista Trauma Center for treatment of major injuries. Moreover, crews treated a passenger inside the Nissan at the scene for minor injuries.


No words can mend the broken hearts and sorrow felt during this delicate moment. Deepest condolences and sympathies are with the family and friends of Isaldo Santiago.


The sudden loss of a loved one is an extremely difficult time for the surviving family. At Sweet James, they understand that legal decisions have to be made. Furthermore, their litigators can help with your situation. They are here to provide you with unmatched legal representation during this trying time. They will fight to hold the responsible party accountable and help you receive compensation to pay for the high costs of medical, funeral, and legal expenses. Call their office today at (800) 975-3435. Need help after hours? Reach out to them by online chat, email, or text message. For more accident news, click here.

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