Turner Construction Co. and AECOM have been selected to build a 70,000-seat stadium for the Los Angeles Rams. The stadium will be the centerpiece of a 298-acre mixed-use project in Inglewood, Calif. The broader scope includes 890,000 sq ft of retail space, 300 hotel rooms, 780,000 sq ft of office space, 2,500 residential units and 25 acres of parks.