This collection contains subject files, mostly consisting of annual reports prepared for the Interstate Commerce Commission from 1898 to 1904 and also including 1912. The 1898 and 1899 annual reports are those of the Nashville-Knoxville Railroad Company, which was later purchased by the Tennessee Central Railroad. The 1901 report is that of Tennessee Central Railway, also later purchased by Tennessee Central Railroad. Within these reports, there are detailed financial statements for the year in question. Also notable in this collection is a compilation of correspondence between the auditor for Tennessee Central Railroad and the Statistics Bureau of the Interstate Commerce Commission.