The  Florida Dept. of Transportation and Miami-Dade County officials will recommend to a selection committee by May 2 one of three proposals to design, build, finance, operate and maintain the estimated $1-billion Port of Miami Tunnel. One of the teams will enter into a public/private partnership to construct two 3,900-ft, 36-ft-diameter, two-lane bored tunnels connecting the Miami Seaport with Interstate 95 via I-395.