Top Guard Truncated Domes for FDOT E4P94 in Ft. Lauderdale (Broward County) November 23, 2015 Posted by on November 23, 2015June 6, 2017 Ft Lauderdale Beach (Broward County) has +/-350 sq.ft. of Top Guard yellow detectable warnings installed along A1a from NW 16th Ct. to Sunrise Blvd. FDOT contract E4P94. Russell Engineering as prime.