New post on http://twitter.com/CaltransDist10 : Trafficalert STOCKTON: NB SR-99 at SR-88 Interchange, a multi-vehicle collision has left 2 vehicles blocking the #1 (left) lane and is creating a traffic jam. Seek alternate routes while this mess is being cleared from the roadway and please watch for emergency personnel. http://pic.twitter.com/lOYdQ6Bbte