With state agreement, the final International ran eastbound on April 22, 2004, and westbound the next day (along with a Port Huron eastbound on the International schedule). On April 24, 2004, the Port Huron-Chicago Blue Water began operation. Via retained a single daily Toronto-Sarnia round trip that was merged into its Corridor service, but a planned Port Huron-Sarnia bus was never implemented.
With state consent, the final International journey proceeded eastward on April 22, 2004, and westward the following day (alongside a Port Huron eastbound on the International schedule). On April 24, 2004, the Port Huron-Chicago Blue Water commenced operation. Via retained a single daily Toronto-Sarnia round trip that was merged into its Corridor service, but a planned Port Huron-Sarnia bus was never implemented.