One Person Killed, One Injured After Semi-Truck Collides With Cement Truck at 60 and 57 Freeway Interchange

Quick Facts:

Where: The Pomona and Orange Freeway Interchange in Diamond Bar, CA

What Happened: One person was killed and one injured in when a semi-truck collided with a cement truck

Participants:

• Semi-Truck Driver
• Cement Truck Driver

Reported Injuries/Fatalities:

• One Person, Fatality
• One Person, Undisclosed Injuries

Details:

One driver was killed and one injured when a semi-truck collided with a cement truck at the Pomona and Orange Freeway Interchange in Diamond Bar, CA. California Highway Patrol reports the accident took place around 4:11 a.m. on Thursday, February 20, 2025. The Los Angeles County Fire Department pronounced one driver dead at the scene, while the other was transported to a nearby hospital. The cause of the accident is currently under investigation.