A 56-year-old woman from Dixon and a 65-year-old man from Vacaville lost their lives Sunday afternoon after the SUV she was driving left eastbound Interstate 80 near the State Route 113 interchange in Solano County and struck an embankment, according to the California Highway Patrol. The fatal highway crash is a painful reminder of how quickly ordinary travel on one of Northern California’s busiest freeway corridors can turn fatal, and it leaves two families in Solano County grappling with sudden, devastating loss.
What Happened on I-80 Near the SR-113 Interchange
The CHP reports that the crash occurred around 12:28 p.m. on September 6 in the eastbound lanes of I-80. A 2011 Infiniti FX35 SUV left the roadway for reasons that remain unclear and crashed into an embankment along the right shoulder.
The driver, a 56-year-old Dixon woman, was pronounced dead at the scene. Her passenger, a 65-year-old Vacaville man, suffered major injuries in the collision and was pronounced dead while being transported to a hospital. Investigators have not yet released the identities of either victim while authorities work to notify their next of kin.
The CHP’s Golden Gate Communications Center received the initial call reporting a vehicle down off the eastbound lanes near the Highway 113 interchange, and officers from the Solano Area office responded to find the black Infiniti FX35 resting against the embankment on the right shoulder, with both occupants still inside the vehicle.
Emergency personnel worked to extricate and treat the two victims at the scene before the passenger was rushed by ambulance toward a nearby hospital, though he did not survive the trip.
The stretch of I-80 near SR-113 carries heavy commuter and freight traffic through Solano County at all hours, and the Solano County Coroner’s Office has confirmed that the identities of both victims are being withheld until their families have been properly notified, a process that can take several days depending on next-of-kin location and confirmation.
A Witness Account and an Ongoing Investigation
According to CHP, a witness reported that the driver appeared to be asleep at the wheel in the moments before the SUV left the roadway. That account has become a central focus of the investigation, though officers have not ruled out other potential causes. CHP investigators are continuing to examine whether alcohol, drugs, or a medical emergency may have played a role in the crash.
Single-vehicle roadway departures like this one often result from a combination of factors, and a full determination typically depends on toxicology results, a review of the vehicle’s condition, and witness statements gathered in the days following the crash.
Because there were no other vehicles involved and the driver did not survive to describe what happened, the witness’s account of seeing her asleep at the wheel carries added weight in reconstructing the final moments before the crash.
CHP investigators will likely work to corroborate that account by reviewing the SUV’s black box data, if equipped, examining tire marks and the angle of impact with the embankment, and speaking with anyone who observed the vehicle’s movements in the minutes leading up to the collision.
Toxicology results for the driver, which can take several weeks to return, will also factor into whether investigators conclude that fatigue alone caused her to lose control or whether alcohol, drugs, or an underlying medical condition contributed as well. Until that evidence is fully reviewed, CHP has classified the cause as undetermined, and the case remains open.
Understanding Liability When a Driver Falls Asleep at the Wheel
Drowsy driving is treated as a serious form of negligence under California law. When a driver chooses to operate a vehicle while fatigued, or continues driving after recognizing signs of exhaustion, that decision can expose them, and by extension their insurer, to liability for any resulting harm.
California Civil Code Section 1714 establishes the basic duty every driver owes to others on the road: to exercise reasonable care to avoid injuring another person. A driver who falls asleep behind the wheel has, by definition, lost the ability to control the vehicle and protect the people inside it, which is why these cases often proceed even when the driver herself did not survive to explain what happened.
Courts in California have long recognized that drowsy driving is not a sudden, unforeseeable event but the product of a choice, whether that is getting behind the wheel after a poor night’s sleep, driving during hours when the body naturally craves rest, or ignoring early warning signs such as heavy eyelids or drifting focus.
This matters in a case like this one because liability does not require proof that the driver intended harm, only that a reasonable person in her position should have recognized the risk and pulled over rather than continuing to drive. If the investigation confirms that fatigue caused her to lose control of the SUV, her estate could still be held financially responsible for the resulting harm to her passenger.
This is because death does not erase civil liability under California law. Insurance coverage typically follows the vehicle and its driver, which means the passenger’s family may be able to pursue a claim under the same auto policy that would have covered a crash involving another driver.
What a Wrongful Death Claim Can Mean for These Families
When a crash victim dies as a result of another person’s negligence, California law allows certain surviving family members to pursue a wrongful death claim under Code of Civil Procedure Sections 377.60 and 377.30.
For the Vacaville man who died as a passenger, this may mean his spouse, children, or other qualifying heirs have the right to seek compensation from the driver’s insurance policy, since a driver’s liability coverage generally extends to injuries suffered by their own passengers. These claims can account for funeral and burial costs, lost financial support, loss of companionship, and the emotional toll of losing a loved one without warning.
Families should also be aware that California’s statute of limitations, set out in Code of Civil Procedure Section 335.1, generally allows 2 years from the date of death to file a wrongful death lawsuit, though the clock and applicable rules can shift depending on the circumstances of the case.
For the Vacaville man’s family, pursuing a wrongful death claim is often less about litigation in the adversarial sense and more about accessing the insurance benefits his loved one was already entitled to as a passenger in the vehicle.
This distinction can feel uncomfortable for families, particularly when the at-fault driver was a friend, relative, or someone else they cared about, but California law recognizes that the claim is against the insurance policy, not a personal attack on the driver or her memory.
The compensation available in these cases is meant to address very real, very immediate needs: covering funeral costs that often arrive within days of the loss, replacing income the family depended on, and acknowledging the profound loss of guidance, companionship, and support that comes with losing a spouse, parent, or close family member.
Because the driver in this case also died, her family may be navigating the probate or estate process at the same time, which can add another layer of complexity to how and when a claim moves forward.
How Settlement Value Is Calculated in Fatal Crash Cases
Insurance adjusters and attorneys typically rely on one of two methods to estimate the value of a wrongful death or serious injury claim. The multiplier method takes the total of economic damages, such as medical bills and funeral expenses, and multiplies it by a factor reflecting the severity of the harm and the emotional and relational losses involved.
The per diem method instead assigns a specific dollar value for each day the loss is expected to affect the family, then multiplies that daily figure across the relevant time period. Neither method produces an automatic number. Each depends heavily on the strength of the evidence, the credibility of witnesses, and how clearly negligence can be tied to the outcome, which is why families are often better served having an experienced attorney evaluate their case before accepting any settlement offer.
In a fatal crash involving a passenger and driver who were both killed, settlement calculations can become more layered than in a typical injury case, since the value has to account not only for the passenger’s lost future earnings and financial contributions to his household but also for the specific relationship he had with each surviving family member seeking compensation.
A spouse’s claim, for example, may weigh the loss of shared income and companionship differently than a claim brought by an adult child, and insurers will often scrutinize the passenger’s age, health, and work history closely to project what he would have contributed over his remaining lifetime.
The presence of a witness account suggesting driver fatigue can also influence how an insurer values the claim, since evidence pointing toward clear negligence tends to reduce disputes over fault and can move settlement discussions forward more efficiently than in cases where liability is contested.
Families should keep in mind that an initial settlement offer from an insurance company is rarely the final word, and accepting one too quickly can mean forfeiting compensation the case may genuinely be worth.
Fatal Accident Settlement Calculators and How They Help Estimate Case Value
A fatal accident settlement calculator gives grieving families and their attorneys a starting point for understanding what a wrongful death claim might realistically be worth before negotiations with an insurance company even begin.
These tools work by taking documented economic losses, such as funeral expenses, outstanding medical bills, and the deceased’s projected lifetime earnings, and combining them with non-economic factors, such as the strength of the family’s relationship with the deceased and the extent of the resulting emotional hardship.
Some calculators apply the multiplier method, adjusting the total economic damages upward based on the severity of the loss, while others use the per diem approach, assigning a daily value to the loss and extending it across the years the family will feel its impact.
It’s important to understand that no calculator produces a guaranteed or final number, since insurance companies weigh liability disputes, policy limits, and the specific facts of each crash differently. What these tools do provide is a reasoned, defensible baseline that families and their attorneys can use to evaluate whether an insurer’s offer reflects the true scope of their loss or falls short of what the law entitles them to recover. Call us now at 1-855-508-9565 to speak with the experts.
Take Action Today: You Won’t Pay Unless We Win
“Losing someone you love in a crash like this is a kind of pain that doesn’t follow any timeline, and I never want a family to feel like they have to have all the answers right away. What I do want them to know is that they don’t have to sort through insurance forms, medical bills, and legal deadlines on top of their grief. If you or someone you love was hurt in this crash, or in any accident on our roads, reach out and talk to someone who can carry that weight for you. Taking that first step doesn’t cost you anything, and it can make all the difference in what comes next.” – Andy Gillin, GJEL Accident Attorneys
If you have lost a loved one in a traffic collision in Solano County or anywhere in California, you do not have to face the legal process alone. GJEL Accident Attorneys has recovered more than $950 million for injured clients and grieving families over more than 40 years of practice, and we work on a contingency fee basis, meaning you pay nothing unless we win your case. Call us today at 1-855-508-9565 or visit our Sacramento office for a free, no-obligation consultation.
Additional Resources for Solano County Residents
For those seeking further information, safety updates, or assistance related to traffic incidents in Solano County, the following official agencies and websites can help:
California Highway Patrol, Solano Area
The CHP Solano Area Office investigates crashes on Solano County’s freeways and state routes, including this one on I-80. Incident releases, safety information, and contact details for reporting tips are available at chp.ca.gov/find-an-office/golden-gate-division/(365)-solano.
Solano County Sheriff-Coroner’s Office
For questions about death investigations, case status, or victim identification following a fatal crash, the Sheriff-Coroner’s Office maintains information at solanocounty.gov (search “Sheriff” or “Coroner” for department-specific pages).
Solano Transportation Authority
The STA serves as Solano County’s congestion management agency and coordinates with Caltrans on safety, construction, and traffic-flow projects along corridors like I-80 and SR-113. Current advisories, project updates, and safety initiatives are posted at sta.ca.gov.
Caltrans District 4
Caltrans oversees the physical condition, signage, and design of state highways, including I-80 and SR-113. Traffic advisories, road conditions, and construction updates for the Bay Area region, including Solano County, are available at dot.ca.gov/caltrans-near-me/district-4.
Dixon Police Department
Serving the city where the driver in this crash resided, the department can be reached through dixonpoliceca.gov.
Vacaville Police Department
Serving the city where the passenger in this crash resided, information and non-emergency contact options are available at vacavilleca.gov/departments/police-department.
Fairfield Police Department
As the Solano County seat and home to the CHP Solano Area Office and the County Coroner, Fairfield PD’s resources can be found at fairfield.ca.gov/departments/police.
Solano County Superior Court
For matters related to probate, estate administration, or civil filings that may arise from this case, court information is available at solano.courts.ca.gov.
