Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Miles, Not Seasonally Adjusted

Frequency:  Monthly

Data Include Engine And Brake And Loaded And Empty. During Processing It Was Discovered That Monthly And Quarterly Figures For 1931 As Provided By NBER Do Not Agree, But Data Have Not Been Changed. The Annual Figure Provided Here Was Computed From Monthly Data. Source: Ministry Of Transport, "Railway Statistics", Successive Issues.

This NBER data series m03085 appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.

NBER Indicator: m03085