Sonoma, CA : One man dead, one seriously injured in single-vehicle crash on Rover Road in Sonoma on Friday night, Aug 7, 2015

A Mountain View man died on the scene of a single-vehicle crash that occurred late Friday night near Sonoma, according to the CHP.
The incident was reported at 11:54 p.m. in the 18000 block of Seventh Street north of Castle Road, in unincorporated Sonoma County.
A 2010 Porsche Cayman hit a tree and went airborne, rolling over and coming to a rest on the vehicle’s roof after hitting a fence and a second tree. The vehicle sustained major damage and two men were trapped inside, according to the CHP.
The driver, a 28-year-old Mountain View resident, died on the scene due to injuries suffered in the crash. A passenger, identified only as a 28-year-old New York resident, was extracted from the vehicle and flown to Queen of the Valley hospital with major injuries to his head and neck, according to the CHP.
The driver has not yet been identified, but investigators say that alcohol may have been a factor in the crash.

Source :

Mountain View Man Killed, 1 Injured When Car Strikes Tree Near Sonoma