 Until 1980, NY 355 ended here while NY 154 continued into the hamlet of Poestenkill along Main Street.NY 154 passed north of the Rensselaer County Airpark west of the hamlet before coming to an end in the center of the community at a junction with CR 77 (now NY 351).NY 154 was assigned to an alignment extending from NY 66 to the hamlet of Poestenkill by way of Spring Avenue and Main Street.