To provide a device for supporting travel of a work vehicle that is likely to avoid pressurizing soil locally.SOLUTION: A device for supporting travel of a work vehicle includes: a storage unit for storing a grounded region P that is a region where a travel device has been grounded on the ground in a farm field W； and a display unit 52 for displaying the grounded region P.SELECTED DRAWING: Figure 3【課題】土壌が局所的に圧縮されることを回避しやすい作業車の走行支援装置を提供する。【解決手段】圃場Ｗにおいて走行装置が接地した領域である接地済領域Ｐを記憶する記憶部と、接地済領域Ｐを表示する表示部５２と、を備える。【選択図】図３
