Problem to be solved: to provide an automatic running system capable of generating a target travel path in accordance with the running driving method, improving the working efficiency, and automatically running the work vehicle in a state in which the working vehicle is rotated in an appropriate turning radius in accordance with the running driving method.As a traveling driving method for working vehiclesA traveling drive system selecting part 56 capable of selecting one traveling drive system from a plurality of running driving systems and aA traveling path generating unit 53 for generating a target travel path using the turning radius corresponding to the running driving method selected in the travel drive system selecting part 56 and theBased on the positioning information of the working vehicle 1 acquired by the satellite positioning systemAn automatic travel control section 18 for performing an automatic travel control for automatically running the work vehicle 1 along the target traveling route generated by the travel path generating section 53 is provided.Diagram【課題】走行駆動方式に応じた目標走行経路を生成することができ、作業効率の向上を図り、且つ、走行駆動方式に応じた適切な旋回半径にて旋回走行させる状態で作業車両を自動走行させる自動走行システムを提供する。【解決手段】作業車両の走行駆動方式として、複数の走行駆動方式から１つの走行駆動方式を選択自在な走行駆動方式選択部５６と、その走行駆動方式選択部５６にて選択された走行駆動方式に対応する旋回半径を用いて目標走行経路を生成する走行経路生成部５３と、衛星測位システムにより取得される作業車両１の測位情報に基づいて、走行経路生成部５３にて生成された目標走行経路に沿って作業車両１を自動走行させる自動走行制御を行う自動走行制御部１８とが備えられている。【選択図】図２
