 The route's second and last intersection in Churubusco is with Broad Street, which links NY 189 to the more populated eastern half of the hamlet.North of Churubusco, NY 189 passes through more forests and fields and serves only a small amount of isolated residences and farms.As it heads toward the Canada–US border, it crosses roads of mostly local importance, beginning with Merchia Road just north of Churubusco and concluding with CR 9 (Frontier Road) and Liberty Pole Road at a junction less than from the border.