Sometimes I get a little hung up on railroad data.
For instance…revenue ton mile. Seems simple…the definition seems to be “one ton of freight hauled one mile.” If a hopper car hauls 150 tons one mile, it is 150 ton miles. But…is a ton mile the net tonnage of freight (actual weight of lading) or the gross ton (freight plus the car)?
Further…how do the rails figure the return empty movements of a car. Example 70,000 lb car is 35 tons. Is the revenue ton miles of the return empty 0 tons or 35 tons? Does this differ with rail furnished cars vs. private cars?
For instance…CN’s latest financials indicate 150,000 carloads of Petroleum and Chemicals. Is this loaded only or include the returns of those empty tank cars? So, is it 150,000 loads or 75,000 loads?
Also, revenue per carload is $4407 (petroleum and chemicals). Again…loads only with empties returned free of charge (doubt it) or is it $4407 both ways (doubt it).
Same with intermodal carloads…CN had 676,000 “carloads”. Is an intermodal container a “carload” or would a double stack with 2 containers be a carload? In other words is the double stack with 2 containers = 1 carload or 2?
There are more questions in my mind, but that is enough to start with.
Hopefully Greyhound and other former transportation professionals will be able to answer.
Ed