There was a traffic collision at the intersection of Domenigoni Parkway and Leon Road in Winchester that led to two fatalities, three injuries and roughly 50 gallons of oil and diesel spilled onto the roadway. 

Winchester, California is located in Riverside County near Diamond Valley Lake. Domenigoni Parkway connects the 215 Freeway and the 79 Freeway and has been host to several accidents over the years. That particular intersection, with Leon Road, has several businesses operating out of the area.

semi truck depicted driving on highway

Currently, the accident was reported by CalFire which is still investigating the crash. HAZMAT crews are working to mitigate the fuel/oil spill and the eastbound Domenigoni Pkwy will be closed for the next several hours.

According to Patch, the crash was between a big rig and an SUV. It happened at 11:40 am.

“Words cannot begin to express the sadness of this situation,” said Winchester truck accident attorney Gerald Singleton. “Two people have lost their lives, several more are hurt, and this dangerous area saw yet another collision. Our thoughts are with the families of the deceased and those who are recovering from their injuries.”

If you or someone you love has been hurt in a big rig accident in Riverside County, contact the personal injury attorneys at Singleton Schreiber today by calling 866-331-9303 or by emailing

Winchester Truck Accident Deaths

Recently in Winchester, several accidents have occurred which were fatal or which caused serious accidents. In June, ABC reported that a 17 year old was killed and two others were injured in a car crash on Winchester Road. Patch reported that in June of this year, three people were killed within 5 days of each other in Winchester. 

In August, NBC reported that a father was killed in a hit and run crash in Winchester. These accidents continue to occur in and around that area.

Riverside County, located in Southern California, is a region traversed by numerous highways and freeways. As such, it’s a hub for both local and long-distance traffic, including a significant number of big rigs or semi-trucks. While these massive vehicles are essential for the transportation of goods, they are also involved in a disproportionate number of serious accidents in the county. The reasons behind these accidents are multifaceted, and their impact on Riverside’s roads and its residents is significant.

One of the primary causes of big rig accidents in Riverside County is the sheer volume of traffic. With major highways like the I-10, I-15, and SR-60 cutting across the region, there’s an influx of trucks coming from different parts of the state and beyond. With such a heavy flow of vehicles, traffic congestion is a common occurrence, increasing the likelihood of collisions. In tight traffic, the massive size and weight of big rigs make it challenging for them to brake quickly or maneuver efficiently, leading to accidents.

Additionally, the topography and geography of Riverside County, with its mix of urban areas, suburban sprawl, and mountainous terrains, contribute to the complexity of driving conditions. Routes like the I-15 through the Cajalco Valley or the winding paths near the San Jacinto Mountains are particularly challenging for big rig drivers. Navigating these terrains, especially in adverse weather conditions, poses significant risks.

Driver fatigue is another critical factor. While federal regulations impose limits on the number of hours truck drivers can be on the road, the pressure to meet deadlines often pushes them to their limits. Exhaustion can impair judgment, slow reaction times, and in extreme cases, result in drivers falling asleep at the wheel. Given that a big rig can weigh up to 80,000 pounds, the outcome of such negligence can be catastrophic.

Riverside County has also seen a number of incidents due to poorly maintained trucks. Balding tires, malfunctioning brakes, and other mechanical failures can turn a truck into an uncontrollable juggernaut. It’s crucial for trucking companies and independent drivers alike to ensure their vehicles are in top shape before hitting the road.

The aftermath of big rig accidents in Riverside County is often devastating. Due to the size and weight difference between a semi-truck and a typical passenger vehicle, occupants of the latter bear the brunt of the impact. This can result in severe injuries, long-term disabilities, or fatalities. Moreover, such incidents lead to significant traffic disruptions, environmental hazards due to spilled cargo or fuel, and economic losses.

“It’s absolutely necessary for those injured and for those who have lost someone in this Winchester big rig collision to call a qualified attorney as soon as they’ve received medical care,” Mr. Singleton added. “The medical bills will pile up, and it’s likely there are legal avenues in the civil justice system for these people to explore to get the justice and answers they need.”

If you or someone you love has been hurt in a big rig accident in Riverside County, contact the personal injury attorneys at Singleton Schreiber today by calling 866-331-9303 or by emailing