with the Metra Electric line from Millennium Station to Kensington/115th Street, double-tracked from Kensington/115th Street to east of Gary Metro Center. From there it is single-tracked with passing sidings to South Bend Airport, save for a stretch of double track around Ogden Dunes and the yard at Michigan City. On January 7, 2021, an agreement was announced between the Federal Transit Administration and the Northern Indiana Commuter Transportation District to double-track an additional between Gary and Michigan City at an estimated total cost of $491 million, including improvements to grade crossings and upgrades to five stations. Service The public Monday-Friday timetable shows 20 eastbound trains operating; 18 of those operate out of Millennium Station. Of those, five terminate at Adam Benjamin Metro Center in Gary, seven at South Bend Airport, and 10 at Carroll Avenue station in Michigan City. Two daily trains begin at Carroll Avenue and continue to South Bend Airport. Westbound, 16 trains operate, with seven originating in South Bend (including one rush-hour express to Millennium Station) and nine originating at Carroll Avenue. Of these, 14 terminate at Millennium Station, while two run from South Bend to Carroll Avenue. History Private operation The South Shore Line was constructed between 1901 and 1908 by the Chicago and Indiana Air Line Railway (reorganized as the Chicago, Lake Shore and South Bend Railway [CLS&SB] in 1904). Revenue service between Michigan City and South Bend began on July 1, 1908. The CLS&SB leased the Kensington and Eastern Railroad on April 4, 1909, giving it access to Chicago. That year the full line to Kensington on the Illinois Central was completed, and beginning on June 2, 1912, the electric cars were coupled to IC steam locomotives and run to downtown Chicago. The Chicago, Lake Shore and South Bend entered bankruptcy in 1925 and was bought by Samuel Insull's Chicago South Shore and South Bend Railroad (CSS&SB). The line continued to handle both freight and passengers. Under Insull, the CSS&SB embarked on a major rehabilitation program. This included new ballast and ties, rail in place of rail, brush clearance, and an overhaul of the line's block signals. In 1949, the company acquired three Little Joe electric locomotives for freight service. These locomotives had originally been constructed for the Soviet Union, but changing attitudes due to the Cold War prevented them from being delivered. Although the exact same type as the Milwaukee Joes, the South