2005 DIABLO COMMUNITY SERVICE DISTRICT “PRIVATE ROAD” SIGNS By bikedanville | December 29, 2020 DCSD PRIVATE ROAD signs, 2557 and Athenian School, Mt. Diablo Scenic Blvd 2007: 2557 Mt. Diablo Scenic Blvd (Google Map photo Sept 2007) 2011: 2557 Mt. Diablo Scenic Blvd (Google Map photo May 2011) 2007: Athenian School, Mt. Diablo Scenic Blvd (Google Map photo Sept 2007) 2011: Athenian School, Mt. Diablo Scenic Blvd (Google Map photo May 2011) Posted in History Danger Zone and tagged history, state parks ← 2011 “ROAD FLOODED” WHO CLEARED THE CULVERT?2020 “TRAFFIC STUDY IN PROGRESS” → About bikedanville View all posts by bikedanville →