SAN JOSE — A woman died in a single-vehicle collision Saturday night after a car veered off the road, collided with a stump and overturned, the San Jose Police Department said in a news release.

The vehicle’s driver was being held on suspicion of vehicular manslaughter, authorities said.

Around 9:01 p.m. Saturday, police officers responded to a collision near San Tomas Expressway and Moorpark Avenue.

A 2005 beige Nissan sedan had been driving northbound on San Tomas Expressway with an adult male driver and an adult female passenger, police said. The car was traveling at a high rate of speed and the driver lost control.

The car went off the roadway south of Moorpark Avenue and collided with a stump, overturning, authorities added.

The female passenger suffered “catastrophic injuries,” police said. She was pronounced deceased at the scene of the collision. The Santa Clara County Coroner’s Office identified her Monday as Savannah Stephens, 24, of San Jose.

The adult male driver had life-threatening injuries and was taken to a hospital, where he was stabilized. Police took the driver into custody; after his release from the hospital, he will be booked into Santa Clara County Jail on suspicion of vehicular manslaughter, authorities said.

The crash marks the ninth fatal collision and ninth traffic death of the year.

Anyone with further information on the crash is asked to contact Detective DelliCarpini #4109 at 4103@sanjoseca.gov or 408-277-4654.