The Gateway Multimodal Transportation Center, also known as Gateway Transportation Station or Gateway Station, is a rail and bus terminal station in downtown St. Louis, Missouri. Opened in 2008 and operating 24 hours a day, it serves Amtrak, St. Louis MetroLink, MetroBus regional buses, Greyhound cross-country buses, and taxis. Missouri's largest rail transportation station, it is located one block east of St.