Overview

• The incident occurred at approximately 1:35 p.m. on April 18, 2025, near Alamo, California, on I-680 south of Stone Valley Road.
• A Ford van's left rear wheel detached, crossing the concrete center divider and striking a northbound Toyota Tundra.
• The Toyota Tundra driver suffered fatal injuries at the scene, while the van driver remained on site and is cooperating with authorities.
• CHP temporarily closed multiple lanes for cleanup and inspection, reopening all lanes by late afternoon on April 18.
• The CHP’s Contra Costa office is investigating the cause of the wheel detachment, highlighting concerns over mechanical failures and highway safety.