A motorist in a pickup truck was killed in a single-vehicle crash on Interstate 805 in Chula Vista, authorities said Wednesday.

The crash in the southbound lanes near Main Street was reported around 11:45 p.m. Tuesday, according to the California Highway Patrol.

A white pickup truck was seen swerving between traffic lanes and then struck a tree on the roadside.

The crash prompted authorities to close the Main Street on-ramp.

The victim’s name was not immediately released, and the crash remains under investigation.

— From Staff and Wire Reports

Chris Jennewein is founder and senior editor of Times of San Diego.