Thick fog is causing major problems for drivers in Modesto.
The California Highway Patrol is reporting a multiple vehicle accident involving a big rig at South Blaker and West Main Street.
The roadway is blocked with a number of separate accidents and traffic is backed up in both directions for more than a mile. CHP is going to shut down the roadway completely. At least six ambulances have been dispatched to the area.
CHP is reporting dangerous driving conditions on all valley roadways, with visibility under 200 feet in some areas. Use extreme caution if your travels take you to that area this morning.