A motorcyclist was struck and killed on Interstate 15 in north San Diego Tuesday and California Highway Patrol officials are now searching for the hit-and-run driver involved in the crash.

According to the CHP, the fatal collision happened around 5:40 p.m. on northbound I-15, north of State Route 76.

Investigators said a 28-year-old San Diego man was riding his 2011 Yamaha R-1 motorcycle and, as he attempted to split traffic between two lanes, was struck by a cream-colored sedan changing lanes.

The impact caused the motorcyclist to be ejected onto the roadway, where he was then struck by a box truck, investigators said. The motorcyclist sustained fatal injuries.

CHP officials said the sedan involved in the crash fled the scene. Investigators said the vehicle should have damage on the passenger’s side door near the front. Some blue paint may have also transferred onto the sedan as a result of the crash

Investigators said the driver was described as a man in his 30s. He had a passenger in his car described as a man with blond hair and a red goatee.

The hit-and-run remains under investigation. Anyone with information should contact the CHP Oceanside office at (760) 757-1675 or the CHP Communications Center at (858) 637-3800.

The victim's name was not immediately released.

