This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

SACRAMENTO COUNTY-

Three people are dead, including two teenagers, after an early morning head-on collision along I-80.

Just after 2 a.m., Aaron Caudillo, 24, was heading westbound along I-80 in the eastbound lanes. He collided with a Buick Regal near Madison Avenue.

All three people inside the Buick were killed in the crash; the victims include the 19-year-old driver, his 18-year-old female passenger and a third, unidentified man. Caudillo was taken to the hospital for treatment.

All four people involved were wearing their seatbelts, according to CHP investigators.

CHP officers believe alcohol or drugs played a factor in the collision, however they are still investigating how Caudillo ended up going the wrong way on the highway.