New York State Route 146B is a short state highway located in the town of Guilderland, New York. It serves as a connector road, linking New York State Route 146 to New York State Route 155. The route is approximately 1.5 miles long and primarily runs through suburban areas. The highway is important for local traffic, providing access to residential neighborhoods and nearby commercial areas. It features a mix of residential and commercial properties along its length, making it a vital route for daily commuters and local residents in the region.