Utilizing the position of honjo, the Sanjonishi family set up some checkpoints around Kyoto; for example, in Moroguchi, in Tanba Province (the area that includes today's northern part of Kyoto Prefecture), in Mino Province (part of today's Gifu Prefecture), and in Omi Sakamoto, and dispatched local governors there.
本所である三条西家は京都周辺の諸口や丹波国・美濃国・近江坂本などに関所を設置したり、代官を派遣したりした。