Hayward Collision Left San Mateo Man Dead

HAYWARD, CA (October 8, 2021) – Saturday morning, Isaias Hernandez of San Mateo, was killed in a deadly crash on Tennyson Road.

According to reports, the collision happened around 6:08 a.m., near the intersection of Tennyson Road and Hesperian Boulevard. Crews arrived to the scene shortly after.

A car driven by Hernandez was heading west on Tennyson Road. For unknown reasons, it broadsided the trailer of a semi-truck heading north on Hesperian Boulevard.

As a result, 26-year-old Isaias Hernandez and his 25-year-old passenger were left trapped inside their vehicle.

Eventually, Hayward firefighters managed to extract the two occupants. They were transported to Eden Hospital for treatment of serious wounds.

Due to the extent of his condition, Hernandez died at the hospital. Meanwhile, his female passenger was listed in a stable condition with major injuries.

In addition, the 51-year-old semi-truck driver remained uninjured and believed he was at fault for the fatal collision.

Authorities believe that alcohol contributed to the incident. However, more information will be provided once available.

Police encourage anyone with information about the crash to contact their offices immediately.


The team at Sweet James sends their deepest condolences to the family and friends of Isaias Hernandez.


Losing a loved one in an accident can have devastating effects on the emotional and financial well-being for those left behind. Let the wrongful death lawyers at Sweet James help you during this trying time. With 20 years of experience in the field, they know what it takes to help you win your case. All of the attorneys at Sweet James strongly believe each client’s case is unique and deserves full individual attention. They will fight to achieve the justice and compensation that you and your family deserve. Call them today at (800) 975-3435 for a free and confidential case evaluation. They are available 24 hours a day and 7 days a week through email, text, and online chat. Click here to request a police report.

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