Federal-Aid Roads Under Construction for United States

1926-12: 10,046 Miles Of Road (+ see more) 
Monthly, Not Seasonally Adjusted, M02H4AUSM375NNBR, Updated: 2012-08-16 11:40 AM CDT
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Series Is Presented Here As2 Variables: (1) Original Data, 1922-26; (2) Original Data, 1924-43. Content: 1922-26: Original Data Include "Initial" Construction Projects Only; 1924-43: Sum Of "Initial" Plus "Stage" Construction. "Stage" Refers To Additional Improvement Of Roads, Previously Improved With Federal Aid. 1922-23: End-Of-Month Seasonally Adjusted Data Raised To Level Of 1924 On By Multiplying By 1.024 Which Is The Ratio Of Original Data In Second Segment To Original Data In First Segment For The Sum Of The First 3 Months Of 1924. The Middle-Of-The- Month Data Are Two-Month Moving Averages Of End-Of-The-Month Seasonally Adjusted Data. The Federal Aid Road Series Was Replaced In 1933 By Nira Public Works Road Construction Series. NBER Combined Data For The Two Series In September- November 1933 As Letter From Bureau Of Public Roads Said Combination Was Permissible. Source: Dept. Of Commerce"Survey Of Current Business, " July 1926, P. 24; Supplements, 1932 Pp. 34-35, 1936, 1938, 1940, 1942.

This NBER data series m02094a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02094a

Source: National Bureau of Economic Research

Release: NBER Macrohistory Database

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(a) Federal-Aid Roads Under Construction for United States, Miles Of Road, Not Seasonally Adjusted (M02H4AUSM375NNBR)
Series Is Presented Here As2 Variables: (1) Original Data, 1922-26; (2) Original Data, 1924-43. Content: 1922-26: Original Data Include "Initial" Construction Projects Only; 1924-43: Sum Of "Initial" Plus "Stage" Construction. "Stage" Refers To Additional Improvement Of Roads, Previously Improved With Federal Aid. 1922-23: End-Of-Month Seasonally Adjusted Data Raised To Level Of 1924 On By Multiplying By 1.024 Which Is The Ratio Of Original Data In Second Segment To Original Data In First Segment For The Sum Of The First 3 Months Of 1924. The Middle-Of-The- Month Data Are Two-Month Moving Averages Of End-Of-The-Month Seasonally Adjusted Data. The Federal Aid Road Series Was Replaced In 1933 By Nira Public Works Road Construction Series. NBER Combined Data For The Two Series In September- November 1933 As Letter From Bureau Of Public Roads Said Combination Was Permissible. Source: Dept. Of Commerce"Survey Of Current Business, " July 1926, P. 24; Supplements, 1932 Pp. 34-35, 1936, 1938, 1940, 1942.

This NBER data series m02094a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02094a

Federal-Aid Roads Under Construction for United States
   

  

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