Street View of the southbound I-5 off-ramp at San Fernando Mission Boulevard in Sylmar, near where the crash occurred. Source: Google Maps.
KEY DETAILS
DATE & TIME
Sunday, September 6, 2026, at approximately 6:45 a.m.
LOCATION
Southbound I-5 at San Fernando Mission Boulevard, Sylmar, CA
VICTIM
One person was transported to Dignity Health-Northridge Hospital Medical Center; their condition has not been released.
ROAD CLOSURES
At least two southbound lanes of the 5 Freeway were blocked and CHP closed the San Fernando Road on-ramp while crews cleared the scene.
INVESTIGATION
The California Highway Patrol is investigating the cause of the collision; no citations have been announced.
One person was hospitalized after a multi-vehicle crash involving two semi-trucks and two other vehicles on the southbound Golden State (5) Freeway in Sylmar early Sunday morning. The collision happened around 6:45 a.m. near the San Fernando Mission Boulevard off-ramp, and at least one vehicle overturned in the impact. California Highway Patrol officers and Los Angeles Fire Department crews from Station 75 responded to the scene. Paramedics transported the injured person to Dignity Health-Northridge Hospital Medical Center for treatment, and multiple southbound lanes were blocked during the morning commute.
According to MyNewsLA, at least two lanes of the southbound 5 Freeway remained blocked as of 10 a.m. while crews worked to clear the wreckage, and the injured victim’s condition had not been disclosed as of the report. A Los Angeles Fire Department traffic alert confirmed that CHP closed the freeway’s San Fernando Road on-ramp while managing the scene. The cause of the crash remains under investigation, and authorities have not released further details about what led the vehicles to collide.
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MyNewsLA
@mynewsla · Sep 6, 2026
Two Semis, Two Other Vehicles Crash on I-5 in Sylmar
California Vehicle Code Section 22406 sets a maximum speed of 55 mph for trucks and other vehicles towing trailers on California highways, including big rigs like the semi-trucks involved in this collision. When a truck driver exceeds a safe speed for freeway conditions, traffic volume, or a nearby off-ramp merge, the risk of a multi-vehicle crash increases sharply. If investigators determine a truck driver exceeded this limit, that finding can support a negligence claim against the driver and the trucking company.
California Vehicle Code Section 21658 requires drivers to stay within a single lane and to change lanes only when it can be done safely, a rule that becomes especially important near freeway off-ramps where vehicles merge and diverge in tight spaces. Improper lane changes involving a semi-truck’s large blind spots are a common factor in freeway pileups like this one. A violation of this statute can serve as evidence of negligence in a subsequent injury claim.
This summary is general information, not legal advice. Every case depends on its specific facts.
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