New Sign: Private Roads Patrolled by Contra Costa County Sheriff – Right to Pass by Permission, & Subject to Control, of Owners

Recently the Diablo Community Services District (DCSD) used Public Tax Dollars to update three Entrance signs. According to there 1969 Formation Document; "Private Roads, Subject to a Public Right of Way. What Does the New Sign Mean? "Right to Pass by Permission, & Subject to Control, of Owners?" Please Ask the Diablo Country if they approved the Installation of the New Calle Arroyo Sign  on their Property? (Below is the old DCSD sign)