Top Guard Truncated Domes for FDOT E7K89 in Tampa (Hillsborough County) September 16, 2016 FDOT contract E7K89 had Top Guard yellow Truncated Domes installed at 30 locations (431 sq.ft.) along Dr. M.L.K. Jr. Blvd in Tampa (Hillsborough County). Lane Construction (Florida Safety Contractors) as prime. Read More