Big-rig down ditch blocking lanes on NB I-680

December 15, 2011 8:41:26 AM PST
A Sig-alert has been issued on northbound Interstate Highway 680 in Sunol after a big-rig went down a ditch this morning, the California Highway Patrol said.

Two lanes are blocked this morning after the accident was reported at 5:29 a.m. near Vallecitos Road. An alert was issued at 6:19 a.m., according to the CHP.

An ambulance was initially called to the scene but no injuries have been reported, a CHP officer said.

Crews are working to move the big-rig, but lanes are expected to be affected by the accident for hours, the CHP said.