San Dimas, CA – Multi-Vehicle Crash on 210 Fwy at Lone Hill Ave Leaves 4 Trapped

San Dimas, CA (August 17, 2025) – Emergency crews responded Saturday, August 16, to a major traffic accident on the westbound 210 Freeway at Lone Hill Avenue. Dispatch records confirmed that multiple fire engines and rescue squads, including Engine 95, Engine 41, Engine 159, Squad 116, and Battalion 7, were assigned after reports of four people trapped inside their vehicles.

Firefighters and paramedics arrived to find a multi-vehicle collision blocking several freeway lanes. Rescue personnel immediately began extrication efforts to free the trapped occupants. Using specialized equipment, crews worked carefully to remove victims from the damaged vehicles. Paramedics then provided advanced life support treatment on scene before transporting patients to local hospitals. Authorities have not yet released the victims’ names or conditions.

The California Highway Patrol (CHP) closed portions of the 210 Freeway near Lone Hill Avenue to allow rescue operations. The closure caused significant traffic delays for westbound drivers during the evening response. CHP officers coordinated with firefighters and investigators to manage the scene and document the circumstances of the crash.

Investigators interviewed witnesses and began reviewing potential causes of the collision, including speed, distraction, and road conditions. The drivers involved remained at the scene and cooperated with officials. No immediate arrests or citations were reported, but the investigation is ongoing.

Our thoughts are with the injured individuals, and we wish them safe and full recoveries.

High-Risk Freeway Collisions in Los Angeles County

Freeway crashes involving multiple vehicles and trapped occupants are among the most dangerous traffic incidents in Los Angeles County. High speeds, heavy traffic, and sudden lane changes all contribute to the severity of these collisions. When vehicles overturn or sustain heavy damage, occupants can become trapped, requiring technical rescues that take additional time and resources.

Accidents of this nature often result in severe injuries such as fractures, internal trauma, and head injuries. Victims may face lengthy hospital stays, surgeries, and ongoing rehabilitation. Families frequently experience financial and emotional strain as they support loved ones through recovery.

Authorities urge drivers to remain cautious on freeways, especially during peak travel times. Maintaining safe speeds, avoiding distractions, and keeping safe distances from other vehicles are critical steps to reducing the likelihood of multi-vehicle collisions.

The City of San Dimas and regional transportation officials continue to emphasize freeway safety through public awareness campaigns and increased enforcement. Efforts include stricter monitoring of speeding and reckless driving, as well as roadway improvements designed to reduce collision risks.

For victims and families impacted by freeway crashes, legal support can help pursue compensation for medical bills, lost wages, and long-term care needs. Holding negligent drivers accountable provides a path to justice and financial recovery.

If you or someone you love has been injured in a freeway accident in San Dimas or anywhere in Los Angeles County, Countrywide Trial Lawyers is here to help. Our car accident attorneys have extensive experience with complex injury cases and will fight to protect your rights.

Call Countrywide Trial Lawyers today at 844-844-9119 for a free consultation. Let us provide the strong representation and support you need during this difficult time.