sentences:  The number of passengers using the service in the first three years of operation was about half that projected.The SRT estimated about 95,000 passengers total per day, but the actual ridership was about 40,000, including 38,000 for the City Line and 2,500 for the Express Line.Airport Rail Link, a subsidiary of the SRT set up to operate the Airport Link services, has operated at a loss since the start of its operations.