ton-mile

[ tuhn-mahyl ]

/ ˈtʌnˈmaɪl /

a unit of freight transportation measurement equivalent to a ton of freight transported one mile.

Origin of ton-mile

First recorded in 1900–05

ton-mile·age, noun

tomsk, tomtate, tomtit, ton, ton-force, ton-mile, ton-up, tonal, tonalist, tonality, tonawanda

Obviously, the ton-mile rate steadily falls within such a group with progressive remoteness.

Railroads: Rates and Regulations |William Z. Ripley
Similarly the ton-mile is the unit of freight transportation.

The Railroad Problem |Edward Hungerford
The longer the haul, the lower the ton-mile cost as a matter of necessity.

Railroads: Rates and Regulations |William Z. Ripley
The movement of average trainloads in connection with ton-mile revenue bears upon this point.

Railroads: Rates and Regulations |William Z. Ripley