Injury crash on Hesperian Boulevard Heard on: Alameda County CA EMS Dispatch 00:05 Delta response, medic 405 , code three, traffic collision, (number withheld) Hesperian, cross of Catalpa, dispatch three. 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. Delta response, medic 405 , code three, traffic collision, (number withheld) Hesperian, cross of Catalpa, dispatch three. 2026-11-09 15:16 UTC Traffic Hesperian Blvd, Hayward, CA 94545 View on map