The upgrade readies the line for battery-electric trains in the future and ensures the reliability of the rail today.

NEW YORK CITY (WABC) -- Heads up commuters: Service suspensions have begun on the No. 4, 5 and 6 train lines south of the Grand Central-42nd Street subway station due to track replacement work, the ...

The Massachusetts Bay Transportation Authority has completed over 28 miles of rail on its Fairmount Line, part of work in preparation for the eventual launch of battery-electric train service on the 9 ...

After two years of frustrating traffic detours, but still a year sooner than planned, the bridge over the train tracks on St.