ELK GROVE, Calif. (KTXL) — All northbound lanes of Interstate 5 in Elk Grove are blocked due to a big rig fire, according to CHP South Sacramento.

The roadway is closed south of Twin Cities Road/Exit 498 and traffic is backed up to Barber Road.

CHP confirmed that a crash involving three big rigs, one fully ingulfed in flames, caused the closure.

The fire has been extinguished and no injuries have been reported, according to CHP.

At around 11 a.m., CHP South Sacramento said that the roadway will remain closed for at least two more hours as cleanup work continues.

CHP said traffic is being directed onto West Walnut Grove Boulevard.

As of 3:14 p.m., both lanes are open.

This is a developing incident.