Top Guard Truncated Doems for FDOT E2T16 in Gainsville (Alachua County) October 21, 2015 emunoz Posted by emunoz on October 21, 2015June 6, 2017 Top Guard red detectable warnings installed +/-58 locations (+/-860 sq.ft) along SR 121 in Gainsville (Alachua County). FDOT contract E2T16. Preferred Materials as prime.