(KRON) -- All westbound lanes were blocked on Interstate 580 in Oakland due to a rollover crash on Friday, according to California Highway Patrol. All lanes are now open. The crash happened east of Lakeshore Avenue at about 5:34 p.m. One vehicle was involved, which turned over onto its roof. One person has major injuries. CHP is investigating the crash as DUI. All lanes are expected to be open by 7:30 p.m. Drivers are advised to use alternate routes. This is a developing story. Stick with KRON4 for updates.