Overview
- The California Highway Patrol arrived at 4:39 a.m. after a big rig hauling almonds caught fire near Grant Line Road.
- The blaze spread into three acres of dry roadside vegetation before firefighters halted forward progress by about 6:40 a.m.
- CAL FIRE SCU, Alameda County Fire Department and CHP crews worked in unified command to contain the flames.
- Westbound I-580 has been closed since 6:23 a.m., resulting in significant traffic backups and recommended detours.
- No injuries have been reported, and motorists are advised to follow alternate routes while the scene is cleared.