Stalled vehicle on northbound 680 near Sycamore Valley Heard on: California Highway Patrol - Alameda County 00:17 00:00 One 1868 , 11-26 northbound 680 south of Sycamore Valley. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 One 1868 , 11-26 northbound 680 south of Sycamore Valley. 00:09 You guys, I 00:13 am on the right hand shoulder, unknown mechanical, no. 00:16 Northbound 680, south of Sycamore Valley. 2026-09-12 16:07 UTC Traffic Sycamore Valley Rd, Danville, CA 94526 View on map