CONTRA COSTA COUNTY -- A Richmond woman killed Wednesday in a head-on collision near the San Pablo Reservoir has been identified as Linden Hynes, according to the Contra Costa Coroner's office.

Hynes, 50, and her dog were in a Volkswagen Passat traveling southbound on San Pablo Dam Road about 3 p.m. when an El Sobrante man driving north in a Chevy SUV crashed into them. The dog also died in the accident.

The man was taken to John Muir Medical Center in Walnut Creek with a broken wrist and broken arm, and contusions to his head. His name has not been released.

The California Highway Patrol is investigating the accident.

Lisa P. White covers Martinez and Pleasant Hill. Contact her at 925-943-8011. Follow her at Twitter.com/lisa_p_white.