Blyth Hanna, the first president of the Canadian National Railway, said that although most branch lines cannot pay for themselves, they are even essential to make main lines pay. United States In the United States, abandonment of unproductive branch lines was a byproduct of deregulation of the rail industry through the Staggers Act. The Princeton Branch is a commuter rail line and service owned and operated by New Jersey Transit (NJT) in the U.S. state of New Jersey. The line is a short branch of the Northeast Corridor Line, running from Princeton Junction northwest to Princeton with no intermediate stops. Also known as the "Dinky Line", at it is the shortest scheduled commuter rail line in the United States. The run takes 4 minutes, 47 seconds. Other than the Princeton Line, other surviving branch lines include the Gladstone Branch in New Jersey; as well as the New Canaan Branch, Danbury Branch, and Waterbury Branch in Connecticut. The Long Island Rail Road also refers to its services as "branches". South America Chile In Chile, there are a lot of branch lines on its main line, of only a few remain operational. Most only operating in turistic services (like the Antilhue-Valdivia branch line), others have been taken over by other railways (like the San Rosendo-Talcahuano branch line, which has been taken over by Biotrén and the Laja-Talcahuano train service) however, there is one branch line that still remains as fully operative. The Talca-Constitución branch line, which uses trains with bus motors. Asia Hong Kong Two extensions to the MTR rapid transit network were built as branches of existing lines: the Lok Ma Chau Spur Line to Lok Ma Chau station, which opened in 2007; and the South Tseung Kwan O Spur Line to LOHAS Park station, opened in 2009. Earlier, a spur line was built in 1985 on the East Rail line to serve Racecourse station, bypassing Fo Tan station. Also, the was built in 2004 on the East Rail line to serve East Tsim Sha Tsui station. However, after the Kowloon Southern Link was completed in 2009, this spur line turns into a section of the West Rail line. Discontinued services include the Sha Tau Kok Railway and the Wo Hop Shek Branch. A spur line to Siu Sai Wan has been proposed. Singapore The East West line of the MRT system in Singapore has a two-station branch to Changi Airport.