Stadium sits at the west portal of the historic Downtown Tunnel, constructed in 1874 to carry trains between the Eads Bridge and the Mill Creek Valley rail yards.

Rehabilitation began in 1991 in preparation for the opening of MetroLink in 1993, which now uses the tunnel to connect communities in Illinois and Missouri via downtown St.

[4] Both platforms are connected to Clark Avenue with accessible ramps or stairs.

In 2013, Metro's Arts in Transit program commissioned the work Out of the Park by Andrews/LeFevre Studios for this station.

The anodized aluminum sculpture is a dynamic abstraction of a baseball being hit “out of the park” and echoes the shape and proportions of the Gateway Arch.