Car Accident at the 101/Lost Hills Road Interchange in Calabasas: What to Do

Arya Firoozmand, Esq. — Founding Partner

Local Calabasas Injury Attorney · UCLA Law

Arya Firoozmand is the founding partner at L&F Brown. He grew up in Woodland Hills — minutes from Calabasas — graduated from El Camino Real High School and UCLA Law School, and has spent his career representing injured clients across the West Valley.

The Lost Hills Road interchange is one of the more demanding entry and exit points on the 101 through Calabasas. The ramp geometry forces merging traffic into a compressed window, and drivers exiting onto Lost Hills Road often slow sharply while traffic in the main lanes is still moving at freeway speed. If you were just in an accident here, you already know what that combination feels like.

This is a targeted area for crashes. The interchange serves the primary access point into central Calabasas, which means it handles significant volume during commute hours and heavy weekend traffic heading toward Malibu via Las Virgenes/Malibu Canyon Road. More vehicles, compressed space, and speed differentials are the conditions that produce the accidents that happen here regularly.

Who Responds and What That Means for Your Claim

If the crash happened on the 101 itself or on the on/off ramps, California Highway Patrol has jurisdiction. If it happened once you were fully on Lost Hills Road and off the ramp, LASD Lost Hills Station handles it. Calabasas is not part of the City of Los Angeles, so LAPD never responds here. The distinction matters because it determines where your accident report lives and who you contact for copies.

Call 911 regardless of which side of the ramp the crash happened on. An officer will sort out jurisdiction. What you need is a written report from law enforcement documenting the scene, the other parties, and preliminary observations about fault. Without a report, you're working against yourself from the start.

What to Do Immediately After the Crash

If you can move your vehicle safely, get off the active travel lanes. The Lost Hills Road ramp shoulder is narrow in sections, and the 101 mainline shoulder near this interchange is where secondary crashes happen when vehicles stay in traffic lanes. Hazard lights on. If you're injured and the car is not safely movable, stay put and wait for CHP.

Once you're out of the flow of traffic: document everything. Photograph both vehicles, the ramp geometry, skid marks, signage, and road markings. The interchange configuration is a relevant fact in how crashes happen here, and photos taken at the scene are far more useful than descriptions written from memory a week later.

Exchange information with the other driver - name, license, insurance company, policy number - and get contact information from any witnesses who stop. Witnesses who saw a crash at a freeway interchange and stop voluntarily are valuable. Don't let them leave without their information.

Do not say you're fine, do not apologize, and do not discuss who did what. Say as little as possible beyond the required exchange of information. Adrenaline is doing real work right now, and you don't know yet what your body absorbed.

Get to West Hills Hospital the Same Day

West Hills Hospital and Medical Center is the closest emergency facility to the Calabasas area - located at 7300 Medical Center Drive in West Hills, roughly 10 to 15 minutes east on the 101. Go there today. Not tomorrow. Not "if I still feel bad in a few days."

The reason is medical and legal at the same time. Soft-tissue injuries from freeway interchange crashes - whiplash, cervical strain, muscle damage from the forces involved - don't always present immediately. A same-day evaluation creates a medical record that connects your injuries to this specific date and incident. If you don't go today, the insurance company will argue your injuries have nothing to do with this crash.

The Legal Framework That Applies Here

California follows pure comparative fault, which means liability gets divided among parties based on their percentage of responsibility. Crashes at interchange ramps sometimes involve shared fault questions - who was merging, who had the right of way, whether someone cut across lanes. These disputes are exactly why a written CHP report and your own documentation matter so much.

If a dangerous road condition at the interchange contributed to the crash - defective signage, improper ramp design, inadequate lighting - there may be a government entity involved. Claims against Caltrans or LA County have a six-month notice requirement, far shorter than the standard two-year personal injury deadline. If you think road conditions played a role, that needs to be investigated quickly.

Cases from crashes in the Calabasas area are filed at the Chatsworth Courthouse. An attorney familiar with the West San Fernando Valley court landscape can tell you how similar cases have resolved and what to expect from the process.

If you want to understand what your claim is actually worth, a Calabasas car accident lawyer can give you an honest assessment based on what happened.

What Compensation Is Available

If the other driver is at fault - and in many interchange crashes, liability is clear - you can recover for:

Medical expenses: Emergency evaluation at West Hills Hospital, imaging, specialist care, physical therapy, and any future treatment your doctors document as necessary. Don't underestimate this. Cervical injuries from freeway-speed impacts can require months of treatment.

Lost wages: Every day you couldn't work. Lost earning capacity if your injuries affect your ability to do your job going forward.

Pain and suffering: Physical pain, emotional distress, disruption to daily life. California allows recovery for all of it.

Property damage: Your vehicle repair or replacement, plus rental car costs during the repair period.

Don't Wait on This

Traffic camera footage near the 101/Lost Hills Road interchange doesn't stay on a server indefinitely. Most systems overwrite within a week or two. Skid marks on the pavement fade with traffic. The evidence that shows exactly what happened at that interchange right now will not exist in a month.

Our Calabasas personal injury attorneys work on contingency. You pay nothing unless we recover for you. Call today to talk through what happened.