Blue Line platforms. The platform levels feature terrazzo flooring color-coded to the lines. During Government Center station's closure, Green Line trains passed through but did not stop at the station. For the duration of the closure, the B branch was cut back to Park Street (after the reopening of Government Center station, this would later be modified to keeping it at as the terminus permanently for five more years), while the D branch was cut to Park Street at rush hours and North Station at other times. The "C" and "E" branches kept their usual terminals. Bowdoin station was kept open for all MBTA operating hours (for the first time since 1981) during the closure. A shuttle bus, the 608 Haymarket via Government Center Loop route, operated in a loop from Haymarket station via State Street station, Government Center station, and Bowdoin station. During the first two months of renovations, two additional Scollay Under tile signs were uncovered on the Blue Line level. After the first sign was discovered in April, the MBTA announced that it would be restored and placed in the renovated station, similar to previously found mosaics at South Station and Arlington. In total, five 'Scollay Under', one 'Scollay', and two single-letter mosaics were restored. An original faregate, ticket booth, and ceiling arches were also found. The 1970s Mary Beams murals - made of house paint on plywood - did not meet fire code for installation in the rebuilt station. Instead, they were sold at auction in October 2015, with the proceeds going to an enamel commemorative panel and new artworks placed in the new station. By September 2014, demolition was completed and the steel frame of the new glass headhouse had been erected. At that point, the project was on schedule and on budget. In July 2015 the MBTA announced that the project was still on schedule for a Spring 2016 reopening. In August 2015, the MBTA revealed that the glass used on the headhouse was defective due to poor workmanship, with failed seals between the double-paned glass causing fogging. The glass was replaced at the contractor's expense and did not affect the project's schedule. On February 2, 2016, the MBTA announced that the station would reopen on March 26, 2016 and that the project was within its budget. On February 19, the MBTA tested multicolored LED lights to illuminate the glass headhouse. After several unpublicized