Revenue Ton-Miles (RTM)

The movement of one revenue-producing ton of freight one mile.

Carloads

Revenue-generating shipments of containers, trailers and freight cars.

Train Speed

Train Speed measures the line-haul movement from origin to destination. The average speed is calculated by dividing train-miles by total hours operated, excluding yard and local trains, passenger trains, maintenance of way trains. System-wide average train speeds are given for the following train types:

Terminal Dwell

Terminal Dwell is the average time a car resides within terminal boundaries expressed in hours. The measurement begins with a customer release, received interchange, or train arrival event and ends with a customer placement (actual or constructive), delivered or offered in interchange, or train departure event. This will exclude stored, bad ordered, and maintenance of way cars.

Cars on line

Cars On Line is the average of the daily on-line inventory of active freight cars. Articulated cars are counted as a single unit. Stored cars, heavy bad order cars, program cars, maintenance of way cars, private cars on customer tracks and cars located on adjacent short lines are excluded.

Cars on Line figures are reported by car type for the following car types:

And by car ownership:

• System Car: Owned by the railroad on which it is located
• Foreign RR: Owned by a railroad other than the one on which it is located
• Private: Owned by a non-railroad (i.e., has a car initial that ends in "X") and not leased to a railroad