The New Canaan Branch is an 8.2-mile (13 km) long branch line of the Metro-North Railroad New Haven Line that begins from a junction east of downtown Stamford, Connecticut, north to New Canaan. It opened in 1868 as the New Canaan Railroad.

Stamford station, officially known as the Stewart B. McKinney Transportation Center or the Stamford Transportation Center, is a major railroad station in the city of Stamford, Connecticut, serving passengers traveling on Metro-North Railroad's New Haven Line, Amtrak's Northeast Corridor, and CTrail's Shore Line East. In addition, it is also a major bus terminal for Greyhound, Peter Pan, and CTtransit buses. In 2018, the station averaged over 15,000 Metro-North boardings on weekdays, making it the busiest station on the system aside from Grand Central Terminal. Its official name honors politician Stewart McKinney.