The BMT Broadway Line is a rapid transit line in New York City, part of the New York City Subway. It runs under Broadway, connecting the Manhattan neighborhoods of Lower Manhattan and Midtown. The line is known for its key stations, including Times Square and Chambers Street, serving both local and express trains. Opened in 1917, the BMT Broadway Line was initially designed to improve transportation in the bustling city. It is operated by the MTA and is an essential part of the subway system, providing access to various attractions, businesses, and residential areas along its route.