High Quality Content by WIKIPEDIA articles! The David L. Lawrence Convention Center (DLLCC) is a 1,500,000-square-foot (140,000 m2) convention, conference and exhibition building in downtown Pittsburgh in the U.S. commonwealth of Pennsylvania. It is served by two exits on Interstate 579. The initial David L. Lawrence Convention Center was completed on the site on February 7, 1981, but as part as a renewal plan the new completely redesigned center was opened in 2003 and funded in conjunction with nearby Heinz Field and PNC Park. It sits on the southern shoreline of the Allegheny River. It is the first LEED-certified convention center in North America and one of the first in the world. It is owned by the Sports & Exhibition Authority of Pittsburgh and Allegheny County