§ 343-gg. Portion of the state highway system to be designated as the "Southern Adirondack Trail". All that portion of the state highway system beginning at the intersection of the New York state thruway and state route twenty-eight in the village of Herkimer, town of Herkimer, continuing north on state route twenty-eight through the village of Newport and through the village of Poland, thence continuing northeasterly on state route eight and terminating at the intersection of state routes eight and thirty in the village of Speculator, and all that portion of Old Piseco lake road from its intersection with state route eight in the vicinity of the southwestern end of Piseco lake following along the shoreline of Piseco lake to its intersection with route eight northeast of Piseco lake and all that portion of the state highway system beginning at the intersection of the New York state thruway and state route one hundred sixty-nine and running thence northwesterly along route one hundred sixty-nine until its intersection with state route twenty-eight in the village of Middleville, and all that portion of the state highway system beginning with the intersection of state route one hundred sixty-nine with state routes five and one hundred sixty-seven in the city of Little Falls, continuing northeasterly along route one hundred sixty-seven to the intersection of state route twenty-nine in the village of Dolgeville, continuing north and then west along state route twenty-nine to its beginning at its intersection with state routes twenty-eight and one hundred sixty-nine in the village of Middleville shall be designated and known as the "Southern Adirondack Trail".