UPDATE: Portion of Interstate 35 on Northeast Side reopens after 18-wheeler rollover

Northbound I-35 near Weidner Road was closed for several hours

Crash on Interstate 35 at Weidner Road on Tuesday, Oct. 26, 2021. (KSAT)

Update (Noon): The northbound lanes of Interstate 35 near Weidner Road have reopened as of noon Tuesday.

Original (6:38 a.m.): The northbound lanes of Interstate 35 on the Northeast Side are closed Tuesday morning due to an 18-wheeler rollover.

The Texas Department of Transportation’s website says the northbound lanes of I-35 are closed before Weidner Road.

San Antonio police said the lanes will remain closed for an “undetermined time.”

Details about the crash are unknown at this time, but TxDOT’s website calls it a “major accident.”

San Antonio TransGuide reported a diesel spill on the roadway.

Drivers are urged to use an alternate route and expect delays.

Crash on Interstate 35 at Weidner Road on Tuesday, Oct. 26, 2021. (KSAT)

This story will be updated as more information becomes available. For more information on traffic, you can click here to view our traffic page on KSAT.com. To view more on the current weather conditions, click here.

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