A traveling work vehicle comprising: a main gear shifting apparatus configured to perform gear stage switching that is not accompanied by a cutoff of power transmission; a sub gear shifting apparatus configured to perform gear stage switching that is accompanied by a cutoff of power transmission; a gear shifting control unit configured to output a gear shifting control command to the main gear shifting apparatus and the sub gear shifting apparatus so as to create a vehicle gear ratio according to a combination of gear stages of the main gear shifting apparatus and the sub gear shifting apparatus; and a first operation unit and a second operation unit configured to provide a gear shifting operation command for upshifting and a gear shifting operation command for downshifting to the gear shifting control unit, wherein the gear shifting control unit includes a first travel control section configured to, in a work traveling mode, generate a gear shifting control command for performing only switching of the gear stage of the main gear shifting apparatus in response to a gear shifting operation command from the first operation unit, and a second travel control section configured to generate the gear shifting control command accompanied by switching of the gear stage of the sub gear shifting apparatus in response to a gear shifting operation command from the second operation unit, and in a road traveling mode, the first travel control section generates a gear shifting control command for performing switching of the gear stage of the main gear shifting apparatus that is accompanied by switching of the gear stage of the sub gear shifting apparatus, in response to a gear shifting operation command from the first operation unit. a main gear shifting apparatus configured to perform gear stage switching that is not accompanied by a cutoff of power transmission; a sub gear shifting apparatus configured to perform gear stage switching that is accompanied by a cutoff of power transmission; a gear shifting control unit configured to output a gear shifting control command to the main gear shifting apparatus and the sub gear shifting apparatus so as to create a vehicle gear ratio according to a combination of gear stages of the main gear shifting apparatus and the sub gear shifting apparatus; and a first operation unit and a second operation unit configured to provide a gear shifting operation command for upshifting and a gear shifting operation command for downshifting to the gear shifting control unit, wherein the gear shifting control unit includes a first travel control section configured to, in a work traveling mode, generate a gear shifting control command for performing only switching of the gear stage of the main gear shifting apparatus in response to a gear shifting operation command from the first operation unit, and a second travel control section configured to generate the gear shifting control command accompanied by switching of the gear stage of the sub gear shifting apparatus in response to a gear shifting operation command from the second operation unit, and a first travel control section configured to, in a work traveling mode, generate a gear shifting control command for performing only switching of the gear stage of the main gear shifting apparatus in response to a gear shifting operation command from the first operation unit, and a second travel control section configured to generate the gear shifting control command accompanied by switching of the gear stage of the sub gear shifting apparatus in response to a gear shifting operation command from the second operation unit, and in a road traveling mode, the first travel control section generates a gear shifting control command for performing switching of the gear stage of the main gear shifting apparatus that is accompanied by switching of the gear stage of the sub gear shifting apparatus, in response to a gear shifting operation command from the first operation unit.