Government Center closing for 2 years for upgrades ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Barry Chin/Globe staff Beginning Saturday, the Government Center T station will close for an $82 million overhaul that is expected to last until spring 2016. MBTA The project will be capped by innovative landscaping and a gleaming, four-story glass headhouse designed to reshape the look and feel of dreary, windswept City Hall Plaza. Barry Chin/Globe Staff Most of the construction — and the reason the project is scheduled to take more than two years to complete — will occur underground and behind the scenes. Barry Chin/Globe Staff Parts of the station date to 1898, and it has not seen a major renovation since the 1960s. Barry Chin/Globe Staff Once completed, the revamped station will be handicapped accessible.