San Antonio, Texas, December 10, 2025
A significant crash involving an 18-wheeler on the westbound lanes of I-10 near Seguin has resulted in a complete shutdown of traffic in the area. The incident occurred early Wednesday morning and has created substantial delays, with vehicles moving at a crawl. First responders are on the scene, and investigations into the cause are ongoing. Drivers are advised to seek alternative routes or allow extra time for their commutes.
San Antonio, Texas – Major 18-Wheeler Crash Shuts Down I-10 Near Seguin
San Antonio, Texas – A significant crash involving an 18-wheeler occurred early Wednesday morning, December 10, 2025, on the westbound lanes of Interstate 10 near Seguin, Texas. The incident resulted in a complete closure of the westbound lanes, leading to substantial traffic delays.
Details of the Incident
The crash took place just before 5 a.m. near Niagara, according to the Texas Department of Transportation (TxDOT). The collision led to the complete shutdown of the westbound lanes of I-10. Traffic monitoring services reported significant backups, with vehicles moving as slowly as 2 mph in the area. Drivers were advised to seek alternative routes or allow extra time for their commutes. The eastbound lanes remained open, but officials warned of major delays due to the ongoing investigation and cleanup efforts.
Response and Investigation
First responders, including a hazmat crew, were dispatched to the scene to address the situation. As of now, the cause of the crash has not been determined, and authorities are investigating the circumstances surrounding the incident. No information regarding injuries or fatalities has been released at this time. Commuters are urged to stay updated through official channels for the latest information and to plan their travel accordingly.
Background Context
Interstate 10 is a major east-west highway that runs through San Antonio, serving as a critical route for both local and long-distance travelers. Accidents involving large commercial vehicles, such as 18-wheelers, can lead to significant traffic disruptions and pose safety concerns. Previous incidents on I-10 have resulted in extended closures and delays, highlighting the importance of road safety measures and timely response to such events.
Travel Advisory
Motorists planning to travel westbound on I-10 near Seguin are advised to seek alternative routes or allow additional time for their journeys. For the most current information on road conditions and closures, drivers should consult official traffic updates from TxDOT and local authorities.
Related Incidents
In recent months, San Antonio has experienced several significant traffic incidents involving 18-wheelers. Notably, on November 19, 2025, an 18-wheeler rollover on I-10 in far east Bexar County led to a several-hour closure of the westbound lanes. Additionally, on October 20, 2025, a flipped 18-wheeler caused hours-long closures on the Finesilver Curve near downtown San Antonio. These incidents underscore the ongoing challenges posed by large vehicle accidents on the region’s highways.
Safety Recommendations
Authorities recommend that all drivers exercise caution when traveling near accident sites. It’s essential to follow posted detours and adhere to instructions from law enforcement and emergency personnel. Staying informed through official channels can help ensure a safer travel experience during such events.
Contact Information
For more information on this incident and other traffic updates, drivers can visit the Texas Department of Transportation’s official website or follow local news outlets for the latest developments.
FAQ
What caused the 18-wheeler crash on I-10 near Seguin?
The cause of the crash has not been determined yet. Authorities are investigating the circumstances surrounding the incident.
Are there any injuries reported from the crash?
No information regarding injuries or fatalities has been released at this time.
How long will the westbound lanes of I-10 remain closed?
The westbound lanes are expected to be closed for several hours. Drivers are advised to seek alternative routes or allow extra time for their commutes.
What should drivers do if they need to travel westbound on I-10 near Seguin?
Motorists should seek alternative routes or allow additional time for their journeys. For the most current information on road conditions and closures, consult official traffic updates from TxDOT and local authorities.
Have there been similar incidents on I-10 in the past?
Yes, there have been previous incidents involving 18-wheelers on I-10, including a rollover on November 19, 2025, and a flipped 18-wheeler causing closures on October 20, 2025.
Key Features of the Incident
| Feature | Details |
|---|---|
| Location | Westbound lanes of I-10 near Seguin, Texas |
| Time of Incident | Just before 5 a.m. on December 10, 2025 |
| Cause | Under investigation; cause not yet determined |
| Impact | Complete closure of westbound lanes; significant traffic delays |
| Response | First responders and hazmat crew dispatched; cleanup efforts underway |
| Travel Advisory | Seek alternative routes or allow extra time for commutes |
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