Automatic traveling method, work vehicle, and automatic traveling system

A work vehicle that performs automatic traveling in a field, the work vehicle comprising:

• an automatic traveling control part for controlling the work vehicle to perform automatic traveling on the basis of an automatic traveling route comprising a plurality of set straight traveling routes and a plurality of set turning routes;
• a discharge traveling control part for controlling the work vehicle to perform discharge traveling from a predetermined transition position on the automatic traveling route to a discharge position;
• and
• a transition position change part for changing, as the predetermined transition position, a first transition position that is set before the start of the automatic traveling and on the basis of a storage amount of grain, to a new second transition position in response to an operation of a discharge transition operation part.

An automatic traveling system for causing a work vehicle to perform automatic traveling in a field, the system comprising:

• an automatic traveling control part for controlling the work vehicle to perform automatic traveling on the basis of an automatic traveling route comprising a plurality of set straight traveling routes and a plurality of set turning routes;
• a discharge traveling control part for controlling the work vehicle to perform discharge traveling from a predetermined transition position on the automatic traveling route to a discharge position;
• and
• a transition position change part for changing, as the predetermined transition position, a first transition position that is set before the start of the automatic traveling and on the basis of a storage amount of grain, to a new second transition position in response to an operation of a discharge transition operation part.