MacArthur station is a Bay Area Rapid Transit (BART) station in the Temescal District of Oakland, California. It is the largest station in the BART system, being the only one with four platform tracks. Service through MacArthur is timed for cross-platform transfers between the southbound lines that pass through the station. MacArthur station is located in the median of SR 24 just north of its interchange with I-580. The station is perpendicular to 40th Street and MacArthur Boulevard. The surrounding neighborhood is mostly low-density residential, making MacArthur station primarily a commuting hub.