The G Train is a subway line in New York City that operates in Brooklyn and Queens. It is part of the MTA (Metropolitan Transportation Authority) and is known for being the only line that does not connect to Manhattan. The G Train runs from Church Avenue in Brooklyn to Court Square in Queens, covering a distance of about 8.5 miles. The G Train has 10 stations, including popular stops like Greenpoint and Fort Greene. It is often used by commuters and residents in these neighborhoods, providing essential transportation options. The train operates seven days a week, making it a vital part of the city's transit system.