By Crash News Writer 
San Diego, CA (August 29, 2025) – Wet road conditions brought on by remnants of Tropical Storm Juliette contributed to a series of serious crashes Thursday afternoon across San Diego County, including a deadly single-vehicle crash and two incidents involving semi-trucks.
According to the California Highway Patrol, the first crash occurred just before 1:30 p.m. on northbound Interstate 15 near Interstate 8. A semi-truck jackknifed against a concrete barrier, causing at least one lane to close and significant traffic backups stretching toward El Cajon Boulevard.
At approximately 2:45 p.m., another semi-truck incident was reported in National City, where an Amazon delivery truck lost control on the northbound Interstate 805 off-ramp at eastbound State Route 54. The truck was seen partially hanging off the road. Emergency responders transported the driver to UCSD Medical Center with major trauma injuries.
A third crash at 3:49 p.m. involved a vehicle that veered 30 feet off Highway 78 near Weekend Villa Road in Ramona. One man was killed, and another person was injured and hospitalized.
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PLEASE TAKE NOTICE
This article is compiled from preliminary reports and may change as officials release new updates. For more insights, visit our page on frequently asked questions in California.
- Authorities have not released the identities of those involved in Thursday’s crashes pending next of kin notifications.
- Investigations are ongoing, and updates regarding any contributing factors, such as road conditions or driver impairment, will follow as available.
- Drivers should expect delays and check for real-time traffic information through local authorities or traffic monitoring services.
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The content in this post is intended for general informational use and not as legal or medical advice. All data is based on public reports current at the time of publication and may evolve as investigations continue. Please read our disclaimer.
If you or a loved one were injured in a crash, don’t wait. Call a trusted California personal injury lawyer to discuss your legal rights today.