I-680 to close during weekend, backups expected
Drivers in the East Bay, take note: a stretch of southbound I-680 is shutting down for the weekend for road repairs from 9 p.m. on Friday through 4 a.m. on Monday. The closure stretches from Pleasanton to Sunol, and Caltrans is warning about potentially lengthy delays if you get caught up in the detours.
Source: ktvu.com