This was effective to increase the speed of marching and activate commerce by making it easier for traffic from various places, combined with the abolishment of sekisho (checking station) (In other provinces, it was not implemented because it also had the demerit that the speed of enemy's marching also became faster).
これにより、自軍の行軍速度が速くなり、関所の撤廃と合わさって様々な地から人の往来がしやすくなることで商業が活性化するといった効果をあげた（他国では、敵の行軍速度も速くなるという短所もあったのでなされなかった）。