A transport vehicle (2) that travels along a container shelf (1) provided with a plurality of levels of shelf portions (11) arranged in a vertical direction (Z) and configured to support containers (W), thereby transporting the containers (W). The transport vehicle (2) is provided with a support region where a container (W) is supported, a first transfer apparatus (23) that inserts/takes the container (W) into/out of the container shelf (1), and a second transfer apparatus (24) that loads/unloads the container (W) on/from the support region. The second transfer apparatus (24) is configured such that a container (W) can be moved to the support region so as to allow a plurality of the containers (W) to be supported in a stacked state in the support region.