Running north through Edgebrook Estates, NY 277 passes a long strip mall on the northbound side, soon crossing under tracks owned by Norfolk Southern, crossing into the Bellvue section of Cheektowaga. Crossing a grade-separated interchange with NY 130 (Broadway), the route crosses under tracks owned by CSX Transportation and used by Amtrak, just west of the Buffalo-Depew Amtrak station. NY 277 continues north through Cheektowaga, crossing a junction with Walden Avenue (NY 952Q), an unsigned reference route. The route then runs east of the entrances to the Walden Galleria and crosses through the commercial Maryvale section of Cheektowaga.