Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Hours, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

NBER Computed Data By Adding Figures For The Respective Groups Of Employees In Road Freight Service, Division Vi-B: "Transportation, Train And Engine." Source: NBER Computed Data From Interstate Commerce Commission, Wage Statistics Of Class I Steam Railroads In The United States, Monthly.

This NBER data series m08159 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.

NBER Indicator: m08159