Content: The Negative Figure In 1840 Results From An Excess Of Abandonments. Advisable To Check Whether Ireland Is Included, Possibly In 1847-79. This Series Is Presented Here As 2 Variables: (1) Annual Data, 1822-52; (2) Annual Data, 1847-79. The Break Results From Use Of A Different Source (Cited Above). Total Mileage Authorized In 1821 And Prior Years Was 37 Miles. Source: Commerce And Labour Dept., 1822-52: H. G. Lewin, "Early British Railways, P.186, And H. G. Lewin, "The Railway Mania And Its Aftermath", London, 1936, P.473; 1847-79: Parliamentary Papers, Vol. Xxvii (1859), P. V, Capt. Galton, "Report....Of The Proceedings Of The Dept. Of Railways" And Later Volumes "Miscellaneous Statistics Of The United Kingdom"
This NBER data series a02084d appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02084d
Release: NBER Macrohistory Database
National Bureau of Economic Research, Mileage of New Railway Lines Authorized By Parliament for Great Britain [A0284DGBA374NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0284DGBA374NNBR/, July 30, 2015.