BAKERSFIELD, Calif. — Update 7:17 p.m. - All lanes are now back open.
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The California Highway Patrol is reporting major injuries after a motorcyclist crashed along the southbound lanes of Highway 99, just south of Stockdale Highway at about 6:20 p.m. Saturday.

Traffic is backed up along southbound 99 lanes, according to the CHP traffic page.

It is unclear whether another vehicle was involved in the collision. The traffic page states that the motorcyclist is down in the first lane on the 99.

All lanes are restricted at the moment.

This is a developing story, please check back for updates.