Military Humvee and Semi-Truck Collide North of San Luis Obispo

One person suffered minor injuries in the crash that left the semi-truck teetering on the guard rail.

Apr. 10, 2026 at 5:29am

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An extreme close-up photograph of a damaged semi-truck tire and wheel well, the metal and rubber textures dramatically lit by a harsh, direct camera flash against a pitch-black background, conceptually representing the aftermath of a serious commercial vehicle collision.The aftermath of a collision between a military Humvee and a semi-truck on a major California highway exposes the potential dangers when large vehicles share the road.San Luis Obispo Today

A military Humvee and a semi-tractor collided on Highway 101 north of San Luis Obispo on Wednesday afternoon, leaving the 28-foot long, 3000-pound semi-truck straddling the guard rail. One person suffered minor injuries in the incident, and responders requested hazmat crews to assess potential lithium battery issues in the tractor trailer.

Why it matters

Highway 101 is a major transportation artery through central California, and collisions involving large commercial vehicles can cause significant disruptions and safety concerns. This incident highlights the need for vigilance and proper safety protocols when military and civilian vehicles share the road.

The details

The collision occurred shortly after 2:30 p.m. on Wednesday as both vehicles were traveling southbound on Highway 101. The force of the impact left the semi-truck teetering precariously on the guard rail. Responders requested hazmat crews to evaluate any potential hazards from lithium batteries in the tractor trailer, and a second heavy-duty wrecker was called in to help stabilize the semi-truck.

  • The collision occurred shortly after 2:30 p.m. on Wednesday, April 10, 2026.

The players

Highway 101

A major north-south highway running through central California, including the area north of San Luis Obispo where the collision took place.

Humvee

A military-grade high-mobility multipurpose wheeled vehicle (HMMWV) involved in the collision.

Semi-Truck

A 28-foot long, 3000-pound commercial tractor-trailer vehicle involved in the collision.

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What’s next

Authorities will continue to investigate the cause of the collision and ensure the safe removal of the damaged vehicles from the highway.

The takeaway

This incident underscores the importance of heightened safety precautions and coordination when military and civilian vehicles share the road, especially on major transportation corridors like Highway 101.