Commuters would probably also like to have Wi-Fi on trains: Cities along the Metro-North New Haven Line have added Wi-Fi to some stations: South Norwalk last week and Westport this week. The state's busiest train station, Stamford, will have service next. The funding came from federal grants designed to improve commerce in Fairfield County, and the grant pays for a year's worth of service. "If I miss my train and have to wait, I'll be able to use my laptop," one commuter said.