Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Billions of Passenger-Miles, Not Seasonally Adjusted

Frequency:  Annual

Data 1882-1890 Were Checked With Interstate Commerce Commission Computations Which Checked Exactly Except For 1882 (The Icc Gives 7.69) And 1889 (Icc Gives 11.96). Source: Poor'S Manual Of Railroads, 1890, Pp. Xiii-Xiv; 1891, P. Xiii; 1900, P. I; 1905, P. Ii; 1910, Pp. Cvii-Cix; 1912, Pp. Cxxxiv-Cxlviii

This NBER data series a03010f appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.

NBER Indicator: a03010f