 The highway soon passes under Interstate 81 and narrows to a two-lane undivided road before turning westward into the riverside village of Glen Park.It retains its Main Street name through the community, following a two-lane residential street through the village center and eventually into the adjacent village of Brownville.In Brownville, the route intersects with the northern terminus of Bridge Street (unsigned NY 971H), a short north–south connector leading to NY 12F on the south bank of the Black River.