Top Guard Detectable Warnings on Doyle Rd in Deltona (Volusia County) July 20, 2017 Posted by on July 20, 2017March 8, 2018 Top Guard custom color red 66 detectable warnings installed +/-450 sq.ft. along Doyle Rd from Saxon Blvd to Providence Blvd in Deltona (Volusia County). P&S Paving was prime.