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BTS Home > Publications > Journal of Transportation and Statistics > Volume 6 Number 2/3 > Paper 1
Printable Version

Appendix 1
Documentation of the Data Series

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Month Water Tonnage Truck Tonnage Transit Ridership Rail RPM Rail RTM Pipeline Movements Air TRPM Air TRTMFM
Jan-80          48.9          75.8         691,867.2           970,026,673.7        235,117,196.0          22,877,953.7        667,935.2
Feb-80          47.2          73.2         682,932.1           964,461,627.7        235,688,509.6          22,618,760.9        663,536.5
Mar-80          43.8          74.4         689,854.0           967,743,342.5        234,665,565.9          22,479,409.6        660,259.9
Apr-80          47.0          69.9         623,074.7           964,801,498.1        233,003,289.0          22,472,939.0        656,562.6
May-80          46.5          65.9         698,038.0           974,438,066.5        231,612,097.4          22,115,276.2        662,276.5
Jun-80          45.8          65.1         689,105.2           973,225,363.0        229,992,276.4          22,304,429.6        663,733.9
Jul-80          45.4          62.3         689,022.4           931,356,314.9        227,599,606.0          22,218,890.9        659,471.5
Aug-80          44.5          65.9         689,633.8           944,501,122.1        224,869,826.9          22,425,163.9        669,188.8
Sep-80          44.0          67.6         691,901.7           980,054,738.8        222,565,029.2          22,088,831.2        656,514.4
Oct-80          42.7          68.4         692,322.8           946,171,853.8        222,427,264.0          21,982,659.5        629,020.7
Nov-80          46.3          70.7         684,730.0        1,024,544,292.4        225,538,686.7          21,836,635.1        640,018.3
Dec-80          47.2          72.3         655,462.2        1,034,996,177.4        230,698,324.2          21,839,810.8        641,015.8
Jan-81          46.2          71.1         694,458.9           912,354,951.0        236,045,308.0          21,888,989.1        645,383.8
Feb-81          46.9          71.4         708,560.1           993,567,827.0        238,699,896.0          21,311,488.9        656,414.2
Mar-81          47.6          70.6         704,769.8           980,969,161.4        239,083,085.4          20,193,490.2        659,400.3
Apr-81          42.6          71.3         715,871.1           966,100,637.1        236,597,000.0          21,455,824.5        655,952.3
May-81          37.1          71.2         711,619.2           931,613,896.1        232,086,475.6          22,899,807.8        663,237.9
Jun-81          40.7          70.3         715,540.4           943,972,860.0        226,571,806.7          21,438,101.0        663,404.6
Jul-81          48.4          70.0         697,483.7           932,571,361.0        222,516,000.0          21,755,406.0        662,100.5
Aug-81          46.4          68.9         694,114.1           903,029,652.9        222,224,308.9          21,359,554.6        638,565.5
Sep-81          46.6          66.8         694,353.6           900,333,250.0        224,386,353.3          21,904,127.5        655,062.8
Oct-81          47.0          65.2         685,536.4           867,347,344.1        227,534,000.0          22,006,041.7        672,664.3
Nov-81          45.1          63.5         690,665.8           853,473,395.4        228,870,224.4          22,045,231.6        671,972.6
Dec-81          44.6          60.4         696,195.8           822,531,492.8        228,464,647.7          22,242,010.2        666,204.3
Jan-82          40.9          60.5         665,779.3           867,494,112.6        225,058,000.0          22,447,643.0        655,686.1
Feb-82          41.8          62.3         684,852.9           878,402,903.9        219,128,061.2          22,603,817.8        660,520.3
Mar-82          43.7          60.8         685,151.2           889,253,354.6        212,172,991.2          22,414,234.7        652,283.6
Apr-82          45.9          60.6         674,200.0           890,944,438.4        207,428,000.0          22,846,690.8        650,162.3
May-82          44.4          61.7         669,621.2           854,911,866.7        206,865,259.8          22,465,940.2        672,208.3
Jun-82          43.7          61.0         677,387.4           882,654,039.2        208,235,647.0          22,568,217.6        622,844.4
Jul-82          43.3          60.0         672,295.8           891,291,035.1        208,027,000.0          22,618,080.6        637,084.0
Aug-82          41.8          60.1         690,277.7           883,415,939.3        203,576,356.6          22,895,633.4        649,103.7
Sep-82          42.2          59.8         683,290.7           853,592,724.5        197,064,396.8          22,451,632.0        644,263.4
Oct-82          41.6          58.3         688,350.5           838,740,603.3        191,521,000.0          22,676,122.4        625,494.8
Nov-82          41.3          56.6         685,324.2           816,327,142.2        189,970,411.5          23,067,183.3        628,534.2
Dec-82          40.9          58.0         696,685.7           809,920,262.1        190,894,874.9          23,336,611.8        650,668.2
Jan-83          44.4          60.0         716,571.0           869,824,177.5           192,771,000          23,870,078.6        633,670.3
Feb-83          41.7          59.3         707,625.3           895,978,938.7           193,864,754          24,646,567.7        633,410.3
Mar-83          40.1          59.8         713,331.1           716,712,941.0           194,832,510          25,079,091.1        649,129.8
Apr-83          39.8          60.8         707,476.6           803,840,745.9           196,120,000          23,690,637.2        653,332.5
May-83          40.2          62.1         720,641.2           868,468,688.5           198,196,977          23,806,848.7        670,499.5
Jun-83          42.1          63.2         718,265.3           863,482,041.7           200,852,588          24,526,655.1        672,456.6
Jul-83          42.4          70.5         722,392.6           907,336,090.0           203,900,000          24,043,520.4        681,913.3
Aug-83          42.8          63.9         725,785.8           919,072,773.0           206,725,969          24,211,685.2        688,321.6
Sep-83          41.8          64.1         729,581.6           923,896,808.9           209,210,704          24,647,881.4        714,860.1
Oct-83          44.5          65.0         721,145.6           956,854,837.1           210,808,000          25,194,992.4        726,670.3
Nov-83          44.6          64.3         735,712.1           930,688,880.8           211,775,271          24,900,278.5        739,802.7
Dec-83          39.7          66.2         728,421.1           985,376,837.3           212,787,429          24,885,341.4        740,064.9
Jan-84          44.0          67.0         731,983.3           905,219,802.3           215,323,000          24,734,038.1        747,490.3
Feb-84          48.5          66.3         731,786.7           889,085,549.5           220,126,368          24,682,805.3        720,660.2
Mar-84          46.9          66.8         730,588.2           895,458,813.0           226,091,196          25,274,660.5        745,589.7
Apr-84          47.4          68.7         724,038.1           954,351,587.4           231,377,000          25,676,806.2        757,787.0
May-84          48.0          66.8         738,507.1           954,210,815.5           234,056,482          26,387,381.6        746,163.9
Jun-84          48.2          67.4         727,372.6           922,911,777.1           235,006,476          26,564,138.8        752,921.0
Jul-84          47.3          67.1         733,611.3           908,026,489.2           235,017,000          25,658,145.8        778,046.7
Aug-84          47.4          67.0         736,830.6           948,753,687.2           235,001,759          26,498,936.4        773,544.9
Sep-84          48.8          66.3         739,637.2           932,265,648.1           234,627,587          27,734,036.7        759,150.4
Oct-84          45.3          66.6         743,109.5        1,006,831,031.3           233,685,000          27,515,861.7        757,194.2
Nov-84          44.7          66.9         737,846.2           994,188,168.4           231,415,870          27,408,337.6        742,956.9
Dec-84          45.4          67.3         736,795.2        1,023,507,508.8           227,650,614          28,063,368.8        725,453.2
Jan-85          45.2          65.1         702,193.8        1,023,909,021.5           221,671,000             699.4        27,980,752.5        706,920.1
Feb-85          44.7          64.6         723,826.2        1,023,016,871.2           214,867,343             741.5        27,710,234.8        710,965.2
Mar-85          46.3          65.0         724,147.3        1,055,221,187.2           208,653,032             706.5        28,717,655.6        673,910.7
Apr-85          53.1          64.2         730,499.1           997,446,051.8           206,550,000             713.7        29,142,691.0        696,247.7
May-85          49.8          64.2         725,660.2        1,032,776,502.2           210,285,479             721.0        29,727,414.1        706,927.1
Jun-85          45.8          63.0         718,824.6        1,021,905,223.4           217,201,152             736.4        29,320,383.3        719,792.3
Jul-85          46.5          61.5         720,061.0        1,023,248,075.3           222,844,000             746.9        29,418,030.7        727,437.2
Aug-85          46.9          62.5         723,846.6        1,007,690,968.3           222,972,057             739.7        29,042,272.6        725,466.3
Sep-85          48.1          63.1         706,059.5        1,169,989,903.1           219,917,361             724.1        28,848,200.1        745,124.4
Oct-85          50.5          62.7         721,563.0        1,013,888,735.9           216,223,000             715.2        29,050,202.6        759,770.3
Nov-85          48.4          63.6         721,348.2        1,019,214,094.1           214,968,700             724.1        29,670,573.9        769,953.8
Dec-85          54.8          63.3         718,979.7           991,979,344.5           215,151,231             767.4        30,362,838.0        803,918.3
Jan-86          53.0          64.1         726,176.1           984,820,021.2           216,304,000             748.3        30,804,194.6        869,150.0
Feb-86          51.7          66.3         735,092.1           973,484,336.7           217,391,817             734.4        30,964,597.0        873,745.6
Mar-86          51.0          66.4         728,943.7           963,805,806.9           218,363,682             742.0        30,839,975.9        873,693.5
Apr-86          51.6          66.6         740,192.9           941,082,653.3           218,600,000             740.8        30,930,013.5        888,157.0
May-86          49.6          66.9         726,390.0           939,704,633.3           217,847,921             758.9        30,696,488.4        890,294.8
Jun-86          50.4          66.8         728,285.0           965,810,740.2           216,600,616             763.6        30,598,150.0        894,835.8
Jul-86          49.1          70.8         737,391.4           937,767,775.2           215,718,000             757.2        31,396,487.0        896,966.2
Aug-86          49.4          71.7         724,202.4           941,628,854.2           216,019,217             767.0        32,059,391.1        927,941.4
Sep-86          49.1          71.8         738,408.7           954,939,932.6           217,053,922             785.6        32,062,131.0        921,292.7
Oct-86          48.0          71.7         732,400.4           924,562,141.7           218,331,000             760.7        31,548,582.3        927,593.4
Nov-86          50.5          71.8         728,923.4           949,154,632.3           219,361,112             752.8        32,850,015.5        945,573.3
Dec-86          49.0          71.8         735,730.0           972,712,681.2           220,390,704             760.5        33,150,842.7        953,763.6
Jan-87          50.4          71.7         724,291.0           891,012,916.8           221,668,000             752.9        32,888,148.9        978,460.9
Feb-87          49.4          75.0         721,045.3           948,768,513.7           223,265,000             734.6        34,671,005.7        989,470.4
Mar-87          50.3          74.7         721,759.3           947,905,357.2           224,969,482             743.3        35,073,616.2      1,047,561.0
Apr-87          49.9          73.9         723,410.8           979,445,775.1           226,393,000             746.2        35,752,368.3      1,063,512.2
May-87          49.9          74.7         719,149.5           981,964,009.6           227,500,109             732.7        35,288,777.2      1,085,306.4
Jun-87          51.2          74.5         729,288.9        1,003,340,195.1           228,661,534             738.0        34,443,290.9      1,090,992.3
Jul-87          51.7          75.4         737,865.9        1,054,792,275.0           230,601,000             731.5        35,333,119.0      1,095,930.3
Aug-87          51.1          76.8         732,428.0        1,069,052,688.9           233,850,616             743.1        35,449,055.9      1,069,388.8
Sep-87          50.8          78.0         724,334.5        1,040,038,612.1           237,952,712             758.6        34,610,931.0      1,127,302.4
Oct-87          52.7          78.7         733,212.9        1,069,022,609.5           242,258,000             781.9        34,665,209.7      1,139,825.5
Nov-87          51.4          80.9         733,285.2        1,040,668,034.8           245,558,652             787.4        34,835,094.4      1,149,635.7
Dec-87          52.6          80.8         738,386.0        1,058,574,504.4           247,900,042             771.4        34,401,083.6      1,255,702.6
Jan-88          52.4          81.8         725,111.2        1,061,255,164.0           248,769,000             786.9        34,766,131.6      1,195,969.5
Feb-88          54.8          81.4         720,760.5        1,049,698,428.9           248,393,402             846.6        35,423,346.2      1,189,943.3
Mar-88          52.6          82.2         693,466.0        1,040,886,426.0           247,400,353             787.5        36,101,755.6      1,178,360.5
Apr-88          52.7          81.7         734,473.7        1,074,927,493.1           247,158,000             789.1        36,283,421.8      1,164,536.9
May-88          53.0          83.3         723,792.9        1,049,050,674.9           248,423,301             800.7        36,205,214.8      1,187,061.5
Jun-88          52.7          84.8         733,677.6        1,052,919,403.1           250,206,588             773.9        36,400,888.0      1,192,979.4
Jul-88          48.9          81.5         727,281.5        1,020,553,300.8           250,907,000             773.4        36,365,689.1      1,211,702.7
Aug-88          54.5          81.8         737,963.9        1,019,169,471.4           249,867,950             761.8        36,686,603.4      1,200,203.0
Sep-88          52.3          83.0         718,711.1        1,062,066,801.3           248,362,005             761.5        36,745,750.7      1,179,363.8
Oct-88          52.2          83.2         700,592.0        1,039,779,446.9           248,606,000             783.2        37,285,566.8      1,268,406.5
Nov-88          52.9          82.5         718,644.9        1,070,179,056.2           251,597,554             789.9        37,277,259.4      1,283,690.0
Dec-88          57.5          83.1         720,580.0        1,087,196,292.9           255,618,637             791.6        36,760,639.7      1,320,268.6
Jan-89          54.9          81.9         736,071.1        1,165,276,309.5           257,732,000             791.7        36,851,318.2      1,313,948.6
Feb-89          52.8          80.4         728,874.9        1,122,674,967.2           255,970,975             786.4        36,345,040.3      1,329,631.7
Mar-89          52.7          79.3         736,156.9        1,108,452,188.2           252,289,477             804.6        36,023,154.0      1,336,534.5
Apr-89          53.9          80.6         739,307.9        1,116,893,122.3           249,612,000             787.3        36,030,783.7      1,386,232.2
May-89          55.2          79.5         748,516.3        1,134,039,150.3           250,333,520             771.1        36,731,063.6      1,378,798.9
Jun-89          54.8          78.8         742,078.8        1,116,768,129.5           252,727,030             783.2        38,017,776.4      1,393,625.1
Jul-89          53.4          75.0         757,941.7        1,239,602,323.2           254,536,000             795.5        37,275,370.9      1,393,306.0
Aug-89          53.2          76.6         755,431.8        1,104,104,261.8           253,895,952             797.0        37,612,881.2      1,364,588.7
Sep-89          53.6          77.3         767,626.2        1,103,205,175.0           252,131,173             789.1        37,513,943.3      1,376,808.1
Oct-89          56.1          77.3         743,847.1        1,126,005,600.2           250,958,000             779.2        37,751,301.2      1,371,053.1
Nov-89          53.7          77.3         750,223.7        1,141,893,948.0           252,062,718             763.8        38,290,588.5      1,371,094.7
Dec-89          53.5          78.2         745,889.5        1,141,500,072.9           254,572,133             794.2        38,685,638.5      1,332,685.4
Jan-90          49.9          78.4         758,667.7        1,127,209,474.5           257,583,000             787.2        39,127,585.5      1,338,453.5
Feb-90          56.3          79.9         760,609.2        1,153,717,915.3           259,620,481             797.4        39,489,397.2      1,328,621.1
Mar-90          57.1          81.6         765,627.2        1,183,082,245.2           260,850,402             796.2        39,357,818.3      1,369,079.2
Apr-90          57.0          81.6         728,579.0        1,172,124,564.8           260,867,000             806.6        38,884,253.0      1,356,629.6
May-90          55.3          81.8         738,987.1        1,132,786,919.0           259,782,310             813.6        38,824,932.2      1,339,051.8
Jun-90          56.3          81.5         730,954.8        1,122,677,321.3           258,058,116             804.8        39,283,792.7      1,350,101.9
Jul-90          57.4          81.4         703,333.8        1,114,383,829.7           256,674,000             801.7        39,191,512.4      1,354,876.6
Aug-90          57.0          84.1         705,525.3        1,116,516,678.4           256,587,606             817.7        39,555,200.0      1,388,266.2
Sep-90          55.7          82.6         715,864.9        1,134,346,576.1           257,298,173             783.2        39,443,187.1      1,408,664.2
Oct-90          54.5          83.8         732,002.3        1,141,799,165.2           258,283,000             770.6        39,639,393.1      1,377,279.5
Nov-90          53.7          82.8         725,203.0        1,146,617,676.3           258,799,915             780.3        38,914,476.2      1,402,116.5
Dec-90          52.1          78.9         726,741.3        1,137,762,110.4           259,000,533             735.8        40,492,915.9      1,391,484.7
Jan-91          49.3          81.9         720,611.4        1,162,805,165.1           258,817,000             748.9        38,800,211.0      1,400,487.9
Feb-91          50.2          81.8         731,753.6        1,191,299,321.4           258,004,786             731.3        35,668,481.9      1,439,726.3
Mar-91          51.6          80.5         734,579.2        1,151,418,351.0           256,509,482             839.3        35,176,868.0      1,342,750.3
Apr-91          49.2          82.2         721,726.2        1,127,824,539.8           254,100,000             763.3        38,956,001.6      1,337,493.9
May-91          50.9          82.2         717,870.7        1,163,550,442.9           251,793,906             764.8        39,176,897.8      1,303,027.3
Jun-91          50.5          82.3         720,579.0        1,178,706,667.6           250,331,067             780.4        38,610,221.3      1,327,888.1
Jul-91          55.1          86.0         723,333.6        1,182,591,785.5           251,700,000             783.4        39,088,160.5      1,342,368.1
Aug-91          53.4          88.0         719,646.1        1,226,607,884.5           256,250,167             781.1        39,072,061.3      1,351,157.8
Sep-91          55.1          88.7         720,079.8        1,158,657,552.2           262,167,782             778.2        39,566,246.8      1,349,059.0
Oct-91          51.5          88.7         710,433.3        1,156,478,141.5           266,000,000             778.4        39,479,031.5      1,351,619.5
Nov-91          51.6          88.3         710,171.5        1,139,152,707.2           266,052,545             773.3        39,563,677.6      1,306,157.4
Dec-91          50.8          86.9         713,425.0        1,157,989,026.1           264,931,122             769.1        39,962,571.6      1,317,413.1
Jan-92          50.4          89.4         720,577.0        1,165,402,251.0           267,000,000             779.1        39,139,547.2      1,359,668.5
Feb-92          52.3          90.2         712,583.3        1,126,488,723.1           273,900,614             804.2        39,407,363.3      1,366,590.8
Mar-92          51.2          93.5         715,771.5        1,152,134,672.9           282,089,411             768.0        39,339,494.3      1,375,130.2
Apr-92          52.0          94.1         715,136.2        1,156,485,452.1           285,300,000             784.0        38,387,908.0      1,395,225.1
May-92          50.8          94.1         712,491.3        1,145,505,932.0           279,344,107             783.8        39,812,466.9      1,430,731.2
Jun-92          51.9          93.8         709,738.6        1,083,966,232.6           268,393,984             777.4        42,156,380.2      1,466,314.7
Jul-92          50.3          95.9         703,274.1        1,123,212,084.7           258,700,000             786.6        43,633,080.4      1,465,320.5
Aug-92          51.6          94.8         684,784.3        1,137,676,609.1           257,006,262             781.6        44,162,907.1      1,465,431.5
Sep-92          49.0          93.8         694,236.1        1,156,023,663.6           260,434,454             797.3        42,231,620.2      1,468,951.1
Oct-92          50.3          94.9         698,064.3        1,167,969,058.5           266,600,000             791.9        40,712,550.3      1,464,515.8
Nov-92          50.4          94.7