PROBLEM TO BE SOLVED: To improve activation operability of a control mode suitable for a travel mode during activation, in a work vehicle including a plurality of control modes in which activation and cancellation are individually enabled, and a plurality of travel modes that is selectively activated.SOLUTION: In a control device, a control mode, which among a plurality of control modes, is made into an activation state while is interlocked with a corresponding travel mode, is registered in advance as an interlocking control mode, for each of a plurality of travel modes. The control device makes the interlocking control mode of the corresponding travel mode into the activation state when the travel mode selected by a travel mode changeover operation member is activated.