TRAFFIC VOLUME SURVEY($32,500) – MT. DIABLO SCENIC BLVD By bikedanville | September 23, 2021 California State Parks Spend $32,500 on this Traffic Volume Survey according to a Public Records Act Request. Posted in History Danger Zone ← DIABLO COMMUNITY SERVICE DISTRICT DANGER ZONE LETTER TO STATE PARKSCALIFORNIA STATE PARKS – “STALL & DELAY” – DECEMBER 2019 TO PRESENT → About bikedanville View all posts by bikedanville →