NOTE: THIS DATA FILE WILL CHANGE! To improve accessibility of data for all users, we will convert this file from a text format to an html table by the end of June 2024. Title: Total Locomotives Assigned to Freight Service, Class I Railroads for United States Series ID: M01250USM480NNBR Source: National Bureau of Economic Research Release: NBER Macrohistory Database (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: Monthly Units: Number of Locomotive Date Range: 1920-02-01 to 1943-08-01 Last Updated: 2012-08-16 11:06 AM CDT Notes: Daily Average Through 1934. Mid-Month Figures Were Computed Based On Given End-Of-Month Figures. New York Central Figures Were Not Available For 02/1920-12/1920; Missouri-Pacific Figures Were Not Available For February And March Of That Year; Fort Smith And Western Figures Were Not Available For March Of That Year. Switching And Terminal Companies Were Excluded Through 1936. The Figure For January 1937 Is The Average Of 12/1936 (Excluding The Companies) And 01/1937 (Including Them). The Companies Are Included Outright Beginning In February Of That Year. Source: Interstate Commerce Commission, Freight And Passenger Service Statistics Of Class I Steam Railways In The United States For 1920-1934 Data: 1935-1942 Data Are From Icc, Motive Power And Car Equipment Of Class I Steam Railways In The United States. This NBER data series m01250 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html. NBER Indicator: m01250 DATE VALUE 1920-02-01 29670 1920-03-01 29559 1920-04-01 30030 1920-05-01 29985 1920-06-01 29882 1920-07-01 29912 1920-08-01 30025 1920-09-01 30134 1920-10-01 30372 1920-11-01 30524 1920-12-01 30419 1921-01-01 32268 1921-02-01 32351 1921-03-01 32801 1921-04-01 33098 1921-05-01 33100 1921-06-01 33075 1921-07-01 33072 1921-08-01 33106 1921-09-01 33099 1921-10-01 33292 1921-11-01 33025 1921-12-01 33058 1922-01-01 33034 1922-02-01 32894 1922-03-01 32769 1922-04-01 32813 1922-05-01 32798 1922-06-01 32650 1922-07-01 32738 1922-08-01 33029 1922-09-01 33091 1922-10-01 33130 1922-11-01 33085 1922-12-01 32873 1923-01-01 32800 1923-02-01 32846 1923-03-01 32872 1923-04-01 32963 1923-05-01 32953 1923-06-01 32745 1923-07-01 32707 1923-08-01 32839 1923-09-01 33077 1923-10-01 33203 1923-11-01 33272 1923-12-01 33259 1924-01-01 33219 1924-02-01 33316 1924-03-01 33242 1924-04-01 33078 1924-05-01 33189 1924-06-01 33140 1924-07-01 33185 1924-08-01 33355 1924-09-01 33470 1924-10-01 33363 1924-11-01 33272 1924-12-01 33000 1925-01-01 32844 1925-02-01 32826 1925-03-01 32786 1925-04-01 32652 1925-05-01 32537 1925-06-01 32487 1925-07-01 32291 1925-08-01 32276 1925-09-01 32317 1925-10-01 32290 1925-11-01 32011 1925-12-01 31924 1926-01-01 31891 1926-02-01 31842 1926-03-01 31842 1926-04-01 31743 1926-05-01 31711 1926-06-01 31730 1926-07-01 31616 1926-08-01 31585 1926-09-01 31609 1926-10-01 31576 1926-11-01 31508 1926-12-01 31329 1927-01-01 31394 1927-02-01 31344 1927-03-01 31325 1927-04-01 31114 1927-05-01 30997 1927-06-01 30974 1927-07-01 30856 1927-08-01 30841 1927-09-01 30891 1927-10-01 30960 1927-11-01 30717 1927-12-01 30581 1928-01-01 30679 1928-02-01 30690 1928-03-01 30638 1928-04-01 30572 1928-05-01 30347 1928-06-01 30151 1928-07-01 30189 1928-08-01 30075 1928-09-01 30126 1928-10-01 30126 1928-11-01 30031 1928-12-01 29990 1929-01-01 29837 1929-02-01 29720 1929-03-01 29618 1929-04-01 29389 1929-05-01 29111 1929-06-01 28972 1929-07-01 28917 1929-08-01 28792 1929-09-01 28927 1929-10-01 28912 1929-11-01 28584 1929-12-01 28778 1930-01-01 28760 1930-02-01 28638 1930-03-01 28628 1930-04-01 28464 1930-05-01 28436 1930-06-01 28462 1930-07-01 28512 1930-08-01 28540 1930-09-01 28679 1930-10-01 28748 1930-11-01 28693 1930-12-01 28610 1931-01-01 28569 1931-02-01 28475 1931-03-01 28405 1931-04-01 28356 1931-05-01 28380 1931-06-01 28307 1931-07-01 28234 1931-08-01 28178 1931-09-01 28207 1931-10-01 28243 1931-11-01 28201 1931-12-01 28073 1932-01-01 28066 1932-02-01 27806 1932-03-01 27807 1932-04-01 27925 1932-05-01 27899 1932-06-01 27856 1932-07-01 27968 1932-08-01 27931 1932-09-01 27830 1932-10-01 27749 1932-11-01 27735 1932-12-01 27603 1933-01-01 27537 1933-02-01 27443 1933-03-01 27428 1933-04-01 27434 1933-05-01 27309 1933-06-01 27189 1933-07-01 27160 1933-08-01 26985 1933-09-01 26914 1933-10-01 26925 1933-11-01 26918 1933-12-01 26734 1934-01-01 26556 1934-02-01 26493 1934-03-01 26354 1934-04-01 26219 1934-05-01 26135 1934-06-01 26062 1934-07-01 25891 1934-08-01 25827 1934-09-01 25985 1934-10-01 25978 1934-11-01 25899 1934-12-01 25620 1935-01-01 25387 1935-02-01 25660 1935-03-01 25579 1935-04-01 25550 1935-05-01 25530 1935-06-01 25422 1935-07-01 25289 1935-08-01 25228 1935-09-01 25173 1935-10-01 25144 1935-11-01 25141 1935-12-01 25076 1936-01-01 24994 1936-02-01 24957 1936-03-01 24926 1936-04-01 24901 1936-05-01 24819 1936-06-01 24688 1936-07-01 24638 1936-08-01 24644 1936-09-01 24610 1936-10-01 24529 1936-11-01 24450 1936-12-01 24351 1937-01-01 24282 1937-02-01 24234 1937-03-01 24176 1937-04-01 24113 1937-05-01 24046 1937-06-01 23998 1937-07-01 23938 1937-08-01 23926 1937-09-01 23915 1937-10-01 23892 1937-11-01 23957 1937-12-01 23948 1938-01-01 23852 1938-02-01 23874 1938-03-01 23924 1938-04-01 23954 1938-05-01 23976 1938-06-01 23934 1938-07-01 23886 1938-08-01 23854 1938-09-01 23780 1938-10-01 23732 1938-11-01 23724 1938-12-01 23622 1939-01-01 23504 1939-02-01 23411 1939-03-01 23334 1939-04-01 23360 1939-05-01 23300 1939-06-01 23154 1939-07-01 23084 1939-08-01 23057 1939-09-01 22994 1939-10-01 22925 1939-11-01 22851 1939-12-01 22724 1940-01-01 22585 1940-02-01 22497 1940-03-01 22461 1940-04-01 22430 1940-05-01 22340 1940-06-01 22246 1940-07-01 22207 1940-08-01 22162 1940-09-01 22111 1940-10-01 22136 1940-11-01 22137 1940-12-01 22002 1941-01-01 21906 1941-02-01 21858 1941-03-01 21800 1941-04-01 21796 1941-05-01 21760 1941-06-01 21656 1941-07-01 21668 1941-08-01 21688 1941-09-01 21729 1941-10-01 21822 1941-11-01 21829 1941-12-01 21802 1942-01-01 21832 1942-02-01 21864 1942-03-01 21880 1942-04-01 21918 1942-05-01 21939 1942-06-01 21945 1942-07-01 21925 1942-08-01 21976 1942-09-01 22052 1942-10-01 22051 1942-11-01 22004 1942-12-01 21958 1943-01-01 21954 1943-02-01 22011 1943-03-01 22062 1943-04-01 22052 1943-05-01 22048 1943-06-01 22082 1943-07-01 22090 1943-08-01 22057