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Methodology



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Updates to Performance Measures 

CSX Transportation is committed to measuring the right things, the right way, to ensure we're focusing on the right areas of our business to drive service improvements and deliver service excellence. 

We have changed the way we calculate several key performance measures to maximize their usefulness to driving performance improvement. 

Below is a summary of methodology updates.

 

Measure

Prior Methodology

Updated Methodology

Reason for Change

Train Velocity

Line of Road miles per hour

Total miles traveled per hour, includes intermediate dwell

To support dramatic improvement in asset cycling.

Cars On Line

All of the cars that RailInc determined was on CSX last. Definition from RailInc: Last railroad that reported an event on a car will have that car in its online count.

CSX will measure cars on line by cars that RailInc determined were on CSX, excluding cars stored, under repair, sold, and private cars ex online inventory.

More accurate measurement
of active cars on line

Car Dwell

Length of time (hours) that a departing car spends from arrival at a yard/terminal until departure from that yard/terminal. Excludes cars that arrive and depart a yard/terminal on the same train ID.

Length of time (hours) that a departing car spends from arrival at a yard/terminal until departure from that yard/terminal. Includes cars that arrive and depart a yard/terminal on the same road train.

To support dramatic improvement in asset cycling.

*Please note that CSX’s new metrics differ from data reported by other U.S. railroads, and are not directly comparable.  CSX will continue its requirement to report EP 724 data to the Surface Transportation Board in the prescribed methodology on a weekly basis.

 

The primary changes that we have implemented and reported to the Surface Transportation Board are:

These changes will not always result in a favorable comparison of our numbers to those of other railroads. But our primary responsibility is to our customers, and we believe we can serve them better by defining our metrics in a way that enables us to better identify opportunities for improvement.