 The new platform was opened on July 9, 2011, and was followed by the opening of the transit center in October.As part of the project, the number of parking spaces for commuter rail users was reduced from 200 to 161.An additional 53 parking spaces were opened for Sounder passengers in November 2012, leased from the private Waterfront Antique Mall while another lot with 103 spaces was built and leased to Sound Transit.