Construction officially kicked off Wednesday on the expansion and modernization of the Los Angeles Convention Center, a $2.6 billion investment city leaders said will boost Downtown’s economy, attract global events and help prepare for the 2028 Olympics. LA City Council President Marqueece Harris-Dawson speaks during groundbreaking ceremonies for the Los Angeles Convention Center Expansion and Modernization on Wednesday, Oct. 1, 2025. (Photo by Axel Koester, Contributing Photographer)LA City Councilmember Tim McOsker speaks during groundbreaking ceremonies for the Los Angeles Convention Center Expansion and Modernization on Wednesday, Oct. 1, 2025. (Photo by Axel Koester, Contributing Photographer) Show Caption 1 of 3 LA City Council President Marqueece Harris-Dawson speaks during groundbreaking ceremonies for the Los Angeles Convention Center Expansion and Modernization on Wednesday, Oct. 1, 2025. The Convention Center will remain open throughout construction, which is expected to be mostly completed by spring 2028, with final completion slated for spring 2029.