Systems and methods for transporting an object on a carriage in tandem with a wheeled case are presented. A carriage in one embodiment includes a generally planar platform supported by one or more rolling members, a fence strap for holding the seat against a fence that extends upwardly from the platform, and an anchor strap connecting the seat to the wheeled case. The carriage may be used to transport any object or seat, such as a child safety seat. In another embodiment, the platform includes a leading section connected to a trailing section. The trailing section may include an opening that is sized shaped to receive at least a portion of the rolling members therethrough when the two sections are folded together.