Work vehicle

There is disclosed a working vehicle capable of informing the operator before unnecessary work or travel is performed, when the machine approaches a target position. The working vehicle comprises: a steering member (35) for steering the machine; a position� information obtaining device (200) for obtaining a position coordinate of the machine; an automatic straight-travel device (205) for activating the steering member (35) to make the machine travel straight; and a single operation member (207) for obtaining a reference position as a reference for the straight travel, deleting the obtained reference position, and activating and deactivating the automatic straight-travel device (205); wherein when the operation member (207) is operated to a first direction (W1), the reference position is obtained, and when the operation member (207) is operated to a second direction (W2), the automatic steering device (205) is activated/deactivated.