![[12-31-2025] Semi-Truck Crash Blocks Lanes on Northbound Interstate 15 Near Mission Valley](https://ak1.to//9@gp.webp)
A crash involving a semi-trailer truck blocked several lanes of traffic on the northbound lanes of Interstate 15 near Mission Valley in San Diego County on Wednesday afternoon, December 31, 2025.
According to authorities, a SigAlert was issued around 1:30 p.m. for northbound State Route 15 near Interstate 8 and Camino Del Rio, backing up traffic as far as Adams Avenue.
The California Department of Transportation reported that two left northbound lanes were blocked due to the crash. California Highway Patrol logs also indicated that the collision caused damage to the center divider wall on the southbound side of the freeway.
Caltrans said the blocked lanes reopened at approximately 4:30 p.m. The number of vehicles involved and whether any injuries occurred were not immediately known.
The cause of the crash is under investigation.
Don’t Know What To Do After An Accident?
Your safety and rights depend on what you do next after an accident. Remember the following steps if you find yourself in one:
- Check yourself for any injuries.
- Stay on the scene, call 9-1-1, and wait for emergency responders.
- Move your vehicle to the road shoulder if safe; turn on hazard lights.
- Fully cooperate with law enforcement and stay until cleared to leave.
- Document the scene and injuries with photos and videos.
- Seek immediate medical attention.
- Contact your insurance company and find a personal injury lawyer for legal advice.
What A Lawyer Can Do For You
Many victims put off calling a lawyer even if they sustain injuries after an accident. However, lawyers can help you in many ways. They can provide you with police reports, CCTV footage, and witness statements to strengthen your case. Your attorney will also negotiate with insurance companies to get you fair compensation. The best part is that they will do all of these things for you at no upfront cost. So if you’re injured in an accident, hire a personal injury attorney to recover medical bills, car repair costs, lost wages, and pain and suffering.
![[05-28-2026] Los Angeles County, CA – Man Killed in Hit-and-Run Motorcycle Crash in Sun Valley](https://accidentnews.org/wp-content/uploads/2026/05/05-28-2026-Los-Angeles-County-CA-–-Man-Killed-in-Hit-and-Run-Motorcycle-Crash-in-Sun-Valley.webp)
![[05-28-2026] Kern County, CA – Passenger Killed in Crash on Walpole Ave. in California City](https://accidentnews.org/wp-content/uploads/2026/05/05-28-2026-Kern-County-CA-–-Passenger-Killed-in-Crash-on-Walpole-Ave-in-California-City.webp)
![[05-28-2026] Stanislaus County, CA – Two Big-Rig Collisions Cause Delays on Northbound I-5 in Patterson](https://accidentnews.org/wp-content/uploads/2026/05/05-28-2026-Stanislaus-County-CA-–-Two-Big-Rig-Collisions-Cause-Delays-on-Northbound-I-5-in-Patterson.webp)
