Jackknifed big rig jams traffic on I-680 in Sunol

A big rig that jackknifed after a crash Friday morning brought traffic to a standstill on Interstate 680 in Sunol.

The big-rig was hauling two trailers when it crashed around 3:20 a.m. on northbound I-680, past Highway 84.

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According to California Highway Patrol-Dublin, there were injuries were reported, but the victims current condition is unknown at this time.

The crash caused a messy morning commute, with CHP closing all lanes on northbound I-680. Traffic was diverted to eastbound Highway 84.

Authorities did not give an estimated time of reopening the highway.