Dallas: Big D still means Development. The former 2,000-acre Circle T Ranch on SH114 may become a corporate office campus with over 1 million square feet of office space, 750 apartments, 200-room hotel and 80,000 square feet of retail and entertainment. 370 acres of Mercer Crossing in Farmers Branch on LBJ at Luna Road will be used for about 800 homes, 3,500 apartments, a 48-acre office campus, boutique hotel, shopping and entertainment. A 25-story condominium and hotel project is due across the street from the Meyerson Symphony Center between Flora Street and Ross Avenue. The tower will feature a 218-room boutique hotel and 44 luxury condominium homes. And a redo of the 22-story, 180,000 square foot former Mercantile Commerce Building will add 260 hotel rooms to the central business district.