Big Rig Overturns On I-680 Near Sunol

A big rig’s trailer overturned on northbound Interstate 680 near Andrade Road in Sunol on Wednesday afternoon, blocking lanes and backing up East Bay traffic. (patch.com) (msn.com) The California Highway Patrol said the crash was reported at 3:14 p.m. on April 23, 2026. Two northbound lanes were blocked near Sunol after the trailer overturned. (msn.com) (patch.com) The overturned trailer also struck a Toyota RAV4 and pushed it onto the freeway shoulder, according to the CHP details carried by local reports. CHP issued a SigAlert at 3:37 p.m. as crews worked the scene. (msn.com) (patch.com) The crash hit one of the Bay Area’s main north-south truck and commuter routes through the Sunol grade. CHP warned drivers to expect extended delays and said there was no estimated reopening time during the afternoon response. (patch.com) (msn.com) The Sunol wreck came less than three weeks after another truck overturned near the same Andrade Road stretch on April 3, 2025, spilling dirt across both directions of I-680 and shutting lanes for hours. CHP said that earlier crash happened at 9:34 a.m. and all lanes reopened shortly before 7 p.m. (cbsnews.com) (nbcbayarea.com) By early April 27, 2026, the Bay Area 511 traffic alerts page no longer listed an active I-680 Sunol closure tied to the crash. The CHP’s public incident page also did not show an active Sunol entry when checked Monday morning. (511.org) (cad.chp.ca.gov) The immediate story was a midafternoon rollover, a blocked freeway, and a long backup through Sunol. By Monday, the live traffic systems indicated the incident had cleared. (patch.com) (511.org)