What is the average cost of transportation per ton mile for rail aircraft truck and ship?

The average cost of transportation per ton-mile varies significantly by mode. As of recent data, rail transportation is typically the most cost-effective, averaging around $0.02 to $0.05 per ton-mile. Trucking costs are higher, generally ranging from $0.10 to $0.25 per ton-mile. Shipping by sea can vary widely but often falls between $0.01 and $0.05 per ton-mile, while air freight is the most expensive, averaging around $0.50 to $1.00 per ton-mile.