Precinct 143A consists of the part of Norwalk which lies West of the Town of  Westport, South of Westport Avenue, East of East Avenue and North of the Connecticut Turnpike (I-95) plus the territory south of I-95, between the Town of Westport and the line of Norden Place and Triangle Street, and to the North of Winfield Street, and East of Sasqua Road, and North of Old Saugatuck Road.