Problem to be solved: to efficiently transfer the route information on the autonomous travel route from the wireless communication terminal to the working vehicle, and to start the autonomous running of the work vehicle smoothly.The wireless communication terminal can generate route basic information including identification information of an autonomous travel route and route specific information including detailed information of individual paths included in an autonomous travel route as route information, and the radio communication terminal is autonomous by a working vehicle It is characterized in that the initial transfer information G1 having the smaller information quantity than the total amount of information of the route information is transmitted to the working vehicle before the start of the travel.Diagram【課題】自律走行経路に関する経路情報の無線通信端末から作業車両への転送を効率よく行い、作業車両の自律走行をスムーズに開始すること。【解決手段】無線通信端末は、経路情報として、自律走行経路の識別情報を含む経路基本情報と自律走行経路に含まれる個別経路の詳細情報を含む経路個別情報とを生成可能であり、無線通信端末は、作業車両による自律走行が開始される前に、経路基本情報を含み、経路情報の全体情報量よりも情報量が小さい初期転送情報G1を作業車両に送信することを特徴とする。【選択図】図3
