A 19-year-old driver, suspected of being under the influence of alcohol and drugs crashed in east Petaluma before dawn Friday and suffered major injuries, Petaluma police said.
At about 4:40 a.m. Petaluma resident Bryn Hubbenette, 19, was speeding as he traveled north on North McDowell Boulevard near Transport Way.
His 1997 Dodge Stratus hit a center divider, forcing it airborne and then into a tree.
Several people called for help, bringing Petaluma officers, firefighters and paramedics.
An investigation determined the driver was under the influence of both alcohol and drugs, police said.
He was arrested but released to the hospital due to his injuries.
Police asked anyone with information to contact traffic officers at 781-1256.