The California Highway Patrol is investigating a fatal crash that occurred about 12:30 p.m. when a vehicle traveling on Highway 99 went off the roadway and crashed into a tree.
CHP spokesman Officer Michael Bradley said one person has been confirmed dead.
The crash occurred on southbound Highway 99 south of the Dillard Road offramp, south of Elk Grove. A southbound lane was closed for nearly two hours, reopening about 2:30 p.m.
Check back later for more information.