Top Guard Truncated Domes for FDOT E2U38 Emerson St in Jacksonville (Duval County) March 20, 2017 Posted by on March 20, 2017March 1, 2018 Top Guard yellow Truncated Domes installed +/-200 sq.ft. along Emerson St in Jacksonville (Duval County) from Spring Park Rd to Bedford Rd. Duval Asphalt is prime.