sentences:  The highway becomes known as Church Street for its final few blocks before descending into the Hudson River valley and ending at an intersection with NY 144 (Main Street) just west of the river.While NY 143 ends here, its right-of-way continues east towards the riverfront as Fourth Street.Most of NY 143 follows the right-of-way of the Coeymans and Westerlo Plank Road, a plank road partially constructed in the early 19th century by the New Baltimore and Rensselaerville Turnpike, which ran from the Greene County town of New Baltimore to Rensselaerville in Albany County.