service on the Lowell line for the MBTA. After bankruptcy, the B&M continued to run and fulfill its commuter rail contract under the protection of the United States Bankruptcy Court, in the hopes that a reorganization could make it profitable again. It emerged from the court's protection when newly formed Guilford Transportation Industries (GTI) purchased it in 1983. For approximately thirteen months in 1980-81, daily passenger service was provided to Concord. Two round-trips were operated on each weekday and one on weekend days. Originally, there were intermediate stops in Manchester and Nashua. A stop in Merrimack was added later. Service was discontinued when federal funding was withdrawn. Anderson Regional Transportation Center opened on April 28, 2001, replacing Mishawum as the Lowell Line's primary park-and-ride station for Route 128. Mishawum was reduced to limited reverse-peak service. On December 15, 2001, the Amtrak Downeaster began operating over the line south of Wilmington. In October 2006, the MBTA added four short turn round trips that terminated at Anderson RTC. The line was shut down on weekends in July through September 2017 for the installation of Positive Train Control equipment in order to meet a 2020 federal deadline. Substantially reduced schedules due to the COVID-19 pandemic were in effect from March 16 to June 23, 2020, and from December 14, 2020, to April 5, 2021. On January 23, 2021, reduced schedules went into place with no weekend service on seven lines, including the Lowell Line. Weekend service on the seven lines resumed on July 3, 2021. , the line has round trips on weekdays and nine on weekends. By October 2022, the line had 6,485 daily riders – 59% of pre-COVID ridership. In June 2022, the MBTA indicated it was considering improvements to a siding in Woburn, which would allow 30-minute headways between Boston and Anderson/Woburn by 2024. The Medford Branch of the Green Line Extension, which opened on December 12, 2022, runs along the Lowell Line through Somerville and part of Medford. There are five Green Line stations on the branch, but no additional commuter rail stops were added. Proposed expansion to New Hampshire MBTA Commuter Rail service connecting Concord, Manchester and Nashua from the Lowell Line used to exist in NH, ending in 1967. The service came back in 1980 for a quick 13 month return, but the program grant was cut by the Reagan administration in 1981, and commuter rail service