A three-vehicle fatal collision blocked three lanes of northbound I-680 between Vargas and Sheridan roads shortly after 1 a.m., according to the CHP.
A Sigalert was issued at 1:33 a.m. and canceled at 3:33 a.m., the CHP said.
One person was declared deceased at the scene and the cause of the collision remains under investigation this morning, according to the CHP.
