RANCHO CUCAMONGA, Calif. (KABC) -- A semi-truck overturned on the southbound 15 Freeway in in Rancho Cucamonga during rush hour traffic Tuesday morning, leaving traffic backed up for several miles.
The accident involving the big rig and a sedan happened near Foothill Boulevard around 5:10 a.m.
The collision closed all lanes, with traffic getting by on the far right shoulder, for several hours. Lanes reopened after 10 a.m.
The cause of the crash is under investigation.
It is unclear if any injuries were reported.
Big rig overturns on I-15 in Rancho Cucamonga; southbound traffic stalled for miles
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