Mother Yesica Barajas faces gross vehicular manslaughter and child abuse charges for a DUI crash that killed her children in Napa County.

A mother has been charged over an alleged DUI crash in California that killed her two young children.Yesica Barajas, 31, of Napa, faces two felony counts of gross vehicular manslaughter while intoxicated,

The crash site sits along a bustling corridor for traffic heading onto the highway or deeper into Napa, with a gas station to the north and a park-and-ride to the south. The offramp, lined with scattered trees and plants, was shut down until noon as investigators worked to determine how fast the sedan was traveling before impact.