A route setting device of an agricultural working vehicle, wherein the route setting device includes a reference-measurement starting switch unit which accepts a setting operation of reference-measurement starting, and a reference-measurement ending switch unit which accepts a setting operation of reference-measurement ending, the reference-route setting unit has a reference-measurement starting setting unit which sets a starting point of the reference-route based on the setting operation of the reference-measurement starting switch unit, and a reference-measurement ending setting unit which sets an ending point of the reference-route based on the setting operation of the reference-measurement ending switch unit, and the starting point is renewed with every setting operation of the reference-measurement starting switch unit.
