Railroad Performance Measures   

All Other Railroads
Weekly Performance Report
 

All seven railroads use the same definitions to calculate their performance data,ensuring a high degree of consistency of the measurements. However, these measures are most useful for examining trends and relative changes, and least useful as absolutes.

The level of one railroad’s performance relative to another’s may differ sharply because each railroad is unique. Differences between railroads include terrain, physical routes and network design, traffic mix and volume, the extent of passenger operations, and operational practices. External factors such as weather and port operations can also cause variations between railroads and over time.In addition,individual differences in the collection and reporting of operational data may affect the absolute level of the measures on each road to some degree.
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 Historical Average Week Ending
1Q11 Dec 2011  01/06/12 01/13/12 01/20/12 01/27/12 
Revisions       
Cars on Line
By Car Owner
System 41,926 41,258  41,370 41,228 41,442 41,674 
Foreign RR 101,006 96,272  97,407 96,034 96,363 95,068 
Private 193,753 185,680  193,134 192,816 191,220 190,522 
Total 336,685 323,210  331,911 330,078 329,025 327,264 
Pct. Private 57.5 57.4  58.2 58.4 58.1 58.2 
By Car Type
Box 42,194 39,990  39,455 39,381 39,099 39,160 
Covered Hopper 112,115 110,809  116,110 115,469 113,003 111,799 
Gondola 31,643 31,805  32,444 31,867 31,918 31,825 
Intermodal 5,255 4,260  4,476 4,612 4,909 4,839 
Multilevel 6,905 6,658  5,962 5,669 6,060 5,973 
Open Hopper 44,410 39,476  41,253 41,629 43,791 43,914 
Tank 71,202 70,063  71,879 71,136 69,943 69,574 
Other 22,961 20,149  20,332 20,315 20,302 20,180 
Total 336,685 323,210  331,911 330,078 329,025 327,264 
Train Speed (Miles per Hour)
Intermodal - -  - - - - 
Manifest - -  - - - - 
Multilevel - -  - - - - 
Coal Unit - -  - - - - 
Grain Unit - -  - - - - 
All Trains - -  - - - - 
©2009-2010 Association of American Railroads, all rights reserved. May not be reproduced or republished without permission. Cars on Line data are produced by Railinc and maintained by the AAR.