Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Current Dollars, Not Seasonally Adjusted

Frequency:  Monthly

Content: Class I Railways. Includes Class I Switching And Terminal Companies Nov. 1910 Through Dec. 1931. Increase In Wages June 1918 And July-Aug. 1920. Source: 1907-09: Interstate Commerce Commission, "Bulletin Of Operating Revenues And Expenses Of Steam Roads, " #5, P.12, #18, P.12, #31. 1910-21:"Statistics Of Railways, " 1921, P.C; 1922-43: "Operating Revenues And Expenses Of Class I Steam Roads, " Monthly.

This NBER data series m02084b appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02084b