PROBLEM TO BE SOLVED: To provide a work vehicle automatic traveling system capable of responding to variation of work environments and preventing mutual abnormal approach or collision of work vehicles.SOLUTION: The work vehicle automatic traveling system for a plurality of work vehicles which cooperatively work and travel in a work field while exchanging data includes: an own vehicle location calculation part 53 for calculating an own vehicle location a route management part 60 for calculating a travel route element group which is a cluster of a large number of travel route elements constituting travel routes covering a work object area and storing it in a readable manner and a route element selection part 63 for selecting a next travel route element to be traveled next from a sequential travel route element group on the basis of the own vehicle location and work travel states of the other vehicles.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2018,JPO&INPIT【課題】作業環境の変動に対処することが可能で、作業車同士の異常接近や衝突を未然に防ぐ作業車自動走行システムが要望されている。【解決手段】データ交換しながら作業地を協調的に作業走行する複数の作業車のための作業車自動走行システムは、自車位置を算出する自車位置算出部53と、作業対象領域を網羅する走行経路を構成する多数の走行経路要素の集合体である走行経路要素群を算出して、読み出し可能に格納する経路管理部60と、次に走行すべき次走行経路要素を、自車位置と、他車の作業走行状態とに基づいて、順次走行経路要素群から選択する経路要素選択部63とを備えている。【選択図】図6
