Rosa Covarrubias, 59, killed and Margarita Garnica-Sanchez, 40, injured in single-vehicle collision on Highway 29 in Kelseyville, California

Garnica-Sanchez then turned to the right, causing the Honda to go off the north shoulder, where it hit an embankment, overturned and then went down the embankment before coming to rest on its wheels in a drainage gully, according to the CHP report.