 From there, NY 154 continued east to the hamlet of Poestenkill, where it ended at a junction with Round Top and White Church Roads.On April 1, 1980, ownership and maintenance of NY 154 from the Troy city line to NY 355 was transferred from the state of New York to Rensselaer County as part of a highway maintenance swap.The NY 154 designation was completely removed on May 14, 1980, and the portion of NY 154's routing that was not given to Rensselaer County became an eastward extension of NY 355.