Figure 13: Freight TSI and 12-Month Moving Average, January 1979 to May 2006

Figure 13: Freight TSI and 12-Month Moving Average, January 1979 to May 2006

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  TSI freight Moving average
Jan-79    
Feb-79 64.6  
Mar-79 65.4  
Apr-79 53.4  
May-79 62.8  
Jun-79 63.1  
Jul-79 62.3  
Aug-79 61.0 60.8
Sep-79 60.4 60.3
Oct-79 60.5 60.1
Nov-79 59.8 59.9
Dec-79 60.1 59.2
Jan-80 59.1 58.3
Feb-80 58.8 57.6
Mar-80 58.8 57.0
Apr-80 56.5 56.5
May-80 54.3 56.2
Jun-80 53.6 56.0
Jul-80 52.0 55.8
Aug-80 53.5 55.8
Sep-80 54.3 55.7
Oct-80 55.1 55.7
Nov-80 56.7 55.9
Dec-80 57.8 56.1
Jan-81 58.1 56.4
Feb-81 58.3 56.7
Mar-81 58.3 56.8
Apr-81 57.1 56.9
May-81 56.6 56.8
Jun-81 56.4 56.5
Jul-81 56.5 56.0
Aug-81 56.1 55.5
Sep-81 55.3 55.0
Oct-81 55.3 54.5
Nov-81 54.2 54.0
Dec-81 53.2 53.6
Jan-82 52.1 53.3
Feb-82 52.5 52.9
Mar-82 51.7 52.5
Apr-82 51.4 52.2
May-82 50.7 51.8
Jun-82 52.7 51.5
Jul-82 51.9 51.3
Aug-82 51.5 51.2
Sep-82 51.4 51.1
Oct-82 50.5 51.1
Nov-82 49.9 51.2
Dec-82 50.0 51.3
Jan-83 51.1 51.5
Feb-83 50.8 51.8
Mar-83 51.0 52.0
Apr-83 52.1 52.2
May-83 52.4 52.6
Jun-83 53.1 53.0
Jul-83 56.1 53.5
Aug-83 53.9 54.0
Sep-83 54.1 54.6
Oct-83 54.4 55.1
Nov-83 54.5 55.6
Dec-83 55.4 56.1
Jan-84 56.9 56.4
Feb-84 57.2 56.6
Mar-84 57.8 57.0
Apr-84 58.9 57.2
May-84 58.3 57.5
Jun-84 58.2 57.7
Jul-84 58.1 57.7
Aug-84 57.9 57.6
Sep-84 57.6 57.4
Oct-84 57.5 57.2
Nov-84 57.3 57.0
Dec-84 57.1 56.8
Jan-85 55.5 56.5
Feb-85 55.9 56.3
Mar-85 55.5 56.1
Apr-85 56.0 56.0
May-85 55.9 55.8
Jun-85 55.5 55.7
Jul-85 55.1 55.7
Aug-85 55.5 55.8
Sep-85 55.7 56.0
Oct-85 55.5 56.1
Nov-85 55.7 56.3
Dec-85 56.5 56.4
Jan-86 56.6 56.7
Feb-86 57.4 57.1
Mar-86 57.6 57.4
Apr-86 57.4 57.8
May-86 57.6 58.1
Jun-86 57.7 58.5
Jul-86 59.5 58.8
Aug-86 59.7 59.1
Sep-86 59.9 59.5
Oct-86 59.8 59.9
Nov-86 60.1 60.3
Dec-86 60.2 60.7
Jan-87 60.6 61.1
Feb-87 62.0 61.5
Mar-87 62.4 61.9
Apr-87 62.0 62.4
May-87 62.5 63.0
Jun-87 63.0 63.6
Jul-87 63.6 64.2
Aug-87 64.3 64.7
Sep-87 65.3 65.2
Oct-87 66.2 65.7
Nov-87 67.3 66.2
Dec-87 67.6 66.8
Jan-88 67.8 67.2
Feb-88 67.8 67.6
Mar-88 67.9 67.9
Apr-88 68.3 68.2
May-88 68.9 68.3
Jun-88 69.8 68.5
Jul-88 67.9 68.6
Aug-88 68.2 68.6
Sep-88 68.6 68.6
Oct-88 69.0 68.6
Nov-88 68.9 68.5
Dec-88 69.5 68.4
Jan-89 68.4 68.2
Feb-89 67.8 68.0
Mar-89 67.5 67.8
Apr-89 68.2 67.7
May-89 67.7 67.5
Jun-89 67.8 67.3
Jul-89 65.5 67.1
Aug-89 66.3 67.1
Sep-89 66.6 67.2
Oct-89 66.8 67.3
Nov-89 66.6 67.4
Dec-89 67.3 67.5
Jan-90 66.9 67.7
Feb-90 67.8 68.1
Mar-90 69.2 68.3
Apr-90 69.3 68.6
May-90 69.3 68.8
Jun-90 69.3 68.8
Jul-90 69.2 68.8
Aug-90 70.2 68.9
Sep-90 69.3 68.8
Oct-90 69.6 68.6
Nov-90 68.8 68.5
Dec-90 66.3 68.4
Jan-91 68.1 68.4
Feb-91 67.9 68.5
Mar-91 67.1 68.7
Apr-91 67.3 68.9
May-91 67.6 69.1
Jun-91 68.4 69.3
Jul-91 70.7 69.7
Aug-91 71.5 70.1
Sep-91 72.1 70.5
Oct-91 71.7 71.1
Nov-91 71.4 71.7
Dec-91 70.5 72.2
Jan-92 72.2 72.7
Feb-92 72.7 73.0
Mar-92 73.9 73.3
Apr-92 74.5 73.5
May-92 74.4 73.8
Jun-92 74.0 74.1
Jul-92 75.8 74.6
Aug-92 74.7 74.9
Sep-92 74.2 75.2
Oct-92 74.9 75.4
Nov-92 75.0 75.6
Dec-92 75.4 75.9
Jan-93 77.8 76.1
Feb-93 76.5 76.1
Mar-93 76.2 76.3
Apr-93 77.1 76.7
May-93 77.2 77.1
Jun-93 77.7 77.4
Jul-93 76.1 77.7
Aug-93 76.2 77.9
Sep-93 77.7 78.4
Oct-93 79.2 78.6
Nov-93 80.3 78.7
Dec-93 79.2 79.3
Jan-94 79.4 79.9
Feb-94 80.8 80.6
Mar-94 82.9 81.2
Apr-94 75.0 81.9
May-94 83.5 82.5
Jun-94 84.9 83.6
Jul-94 83.8 84.9
Aug-94 84.4 86.0
Sep-94 85.5 86.8
Oct-94 86.5 87.6
Nov-94 88.4 88.3
Dec-94 97.1 88.6
Jan-95 92.9 88.9
Feb-95 93.4 89.3
Mar-95 88.6 89.6
Apr-95 88.6 89.8
May-95 87.4 89.7
Jun-95 88.3 89.1
Jul-95 87.9 88.3
Aug-95 89.0 87.6
Sep-95 89.3 87.2
Oct-95 86.5 87.0
Nov-95 86.0 87.0
Dec-95 86.3 87.0
Jan-96 83.9 87.0
Feb-96 84.9 87.1
Mar-96 87.1 87.0
Apr-96 87.4 87.0
May-96 87.8 87.3
Jun-96 88.1 87.6
Jul-96 88.8 87.9
Aug-96 88.4 88.5
Sep-96 87.7 88.9
Oct-96 89.3 89.3
Nov-96 89.6 89.7
Dec-96 89.2 90.1
Jan-97 90.2 90.6
Feb-97 91.7 91.1
Mar-97 91.0 91.7
Apr-97 92.6 92.4
May-97 92.6 93.0
Jun-97 92.6 93.7
Jul-97 95.2 94.4
Aug-97 94.7 95.0
Sep-97 96.5 95.7
Oct-97 96.9 96.3
Nov-97 96.7 97.0
Dec-97 97.6 97.7
Jan-98 98.7 98.3
Feb-98 98.8 98.9
Mar-98 98.8 99.3
Apr-98 100.6 99.6
May-98 100.9 99.9
Jun-98 101.6 100.2
Jul-98 101.6 100.4
Aug-98 100.8 100.7
Sep-98 100.1 101.0
Oct-98 100.8 101.2
Nov-98 101.2 101.3
Dec-98 100.4 101.4
Jan-99 100.7 101.5
Feb-99 102.3 101.6
Mar-99 102.4 101.9
Apr-99 102.2 102.2
May-99 102.7 102.5
Jun-99 102.6 102.8
Jul-99 102.3 103.2
Aug-99 103.0 103.4
Sep-99 103.9 103.4
Oct-99 104.5 103.1
Nov-99 104.5 102.8
Dec-99 105.6 102.6
Jan-00 104.9 102.3
Feb-00 103.6 102.1
Mar-00 99.4 101.8
Apr-00 98.3 101.3
May-00 99.4 100.9
Jun-00 100.4 100.3
Jul-00 98.6 99.8
Aug-00 100.6 99.3
Sep-00 98.9 99.1
Oct-00 98.8 99.1
Nov-00 98.9 99.1
Dec-00 98.0 99.1
Jan-01 99.2 99.0
Feb-01 98.4 99.0
Mar-01 99.1 98.9
Apr-01 98.6 98.9
May-01 99.9 98.8
Jun-01 98.9 98.7
Jul-01 98.3 98.6
Aug-01 100.7 98.6
Sep-01 97.4 98.6
Oct-01 98.6 98.6
Nov-01 97.7 98.7
Dec-01 97.2 98.9
Jan-02 98.1 99.2
Feb-02 98.9 99.5
Mar-02 98.8 99.8
Apr-02 99.5 100.2
May-02 101.3 100.6
Jun-02 101.4 101.2
Jul-02 103.1 101.7
Aug-02 103.0 102.1
Sep-02 102.6 102.4
Oct-02 103.2 102.7
Nov-02 103.8 103.0
Dec-02 104.5 103.1
Jan-03 103.3 103.2
Feb-03 101.9 103.3
Mar-03 103.1 103.4
Apr-03 103.9 103.6
May-03 102.7 103.8
Jun-03 103.5 104.0
Jul-03 104.0 104.3
Aug-03 103.8 104.7
Sep-03 104.5 105.3
Oct-03 105.9 105.9
Nov-03 105.1 106.5
Dec-03 108.1 107.2
Jan-04 106.4 107.8
Feb-04 109.2 108.3
Mar-04 110.2 108.9
Apr-04 110.9 109.3
May-04 110.5 109.8
Jun-04 111.4 110.2
Jul-04 110.9 110.6
Aug-04 110.2 110.9
Sep-04 110.8 111.1
Oct-04 110.2 111.3
Nov-04 111.7 111.4
Dec-04 111.2 111.6
Jan-05 112.8 111.6
Feb-05 111.5 111.7
Mar-05 112.5 111.8
Apr-05 112.5 111.8
May-05 112.8 111.8
Jun-05 112.2 111.8
Jul-05 111.6 111.7
Aug-05 112.0 111.6
Sep-05 110.6  
Oct-05 109.9  
Nov-05 112.1  
Dec-05 110.9  
Jan-06 111.1  
Feb-06 111.4  
Mar-06 111.6  
Apr-06 111.0  
May-06 113.2  

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, http://www.bts.gov.