sentences:  Negotiated as a direct lease with Massport, this long-awaited facilities upgrade substantially increased gate and ramp space in the "C" concourse.Enhancements included improved Americans with Disabilities Act compliance, new airside elevators, upgraded signage, and refurbishment of all passenger lounge areas.Gatehouse expansion allowed the airline to reduce remote bus boardings, whereby 80 percent of the airline's daily departures were serviced directly from the terminal.