We've got a major traffic alert this morning in Pleasanton. ALL 3 southbound lanes of 680SB between Stoneridge and Bernal are currently blocked to to an accident involving a big rig and two cars. The big rig is overturned and traffic is using the shoulder to get off of the freeway at Bernal.
Caltrans has to clean up 27 tons of dirt from the road before they can reopen it.
ALTERNATES: FROM LIVERMORE, USE HWY 84, FROM WALNUT CREEK USE 580/880