It crosses the Broward County line , entering the suburban community of Miramar , and then curves eastward .
North of the I - 75 interchange , the HEFT becomes a four - laned highway again .
HEFT crosses the Broward County line , entering the suburban community of Miramar , and then curves eastward .
North of the I - 75 interchange , the HEFT becomes a four - laned highway again .