 The portion in Brooklyn has been torn down, but most of the line in Queens has been connected to the New York City Subway and is now part of the IND Fulton Street Line (a portion of the A and C), an underground line that replaced the elevated line in Brooklyn.The structure was the main line of the Kings County Elevated Railway, first opened in 1888.The Kings County Elevated Railway opened the line, from dual western terminals at Fulton Ferry and Brooklyn Bridge (Sands Street) east to Nostrand Avenue, on April 24, 1888.