November 3, 2023 – The St. Lawrence Seaway Management Corporation (SLSMC) announced on November 2 the ratification of a three-year collective agreement with its 360 unionized employees represented by Unifor. After the resumption of navigation at 7:00 am on October 30, SLSMC teams worked with marine industry partners to clear the backlog of waiting vessels throughout the system. By November 1, the reopening plan had been fully implemented.