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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A unit of freight transportation equivalent to a ton of freight moved one mile.

from The Century Dictionary and Cyclopedia

  • n. A unit of railroad accounts which represents the transportation of one ton of freight the distance of one mile.


Sorry, no etymologies found.


  • MR. RENNICKE: If the traffic-level trajectories are correct, then ton-mile one ton of paying freight shipped one mile growth could be in the 80% range by 2035 to 2040, and on this basis, industry prospects are bright.

    The Future of Rail

  • And the industry itself measures the rate of spill per ton-mile shipped.

    Op-Ed: Oil Drilling Unsafe In Every Backyard

  • Accidents happen in every industry, maybe you will remember the gas pipe explosion in northern Mexico, but if you compare ton-mile of cargo lifted, nothing beats shipping bulk via water.

    If You Oppose Domestic Drilling, You Support Oil Spills - Vladimir’s blog - RedState

  • "Energy efficiency is a good proxy for emissions, and emissions per passenger-mile and ton-mile are lower for rail than for aviation, cars and trucks," said Ross B. Capon, executive director of the National Association of Railroad Passengers.


  • Cap and Trade or routine increases in the price of oil could easily cause trains to gain relative to trucks, however; trains use much less fuel per ton-mile, so anything that raises fuel prices favors trains.

    The Volokh Conspiracy » What Does Warren Buffet Know?

  • All these components are added by means of a common functional unit of grams of air pollutant per ton-mile of freight activity.

    Rabett Run

  • It emits 35 times more CO2 than rail and 18 times more than road transportation on a ton-mile basis.

    Rabett Run

  • The transportation cost is measure in just a few pennies per ton-mile.

    Navy blues

  • By comparison, the cost of moving things by air is measure in tens of dollars per ton-mile.

    Navy blues

  • "It is called the 'ton-mile effect,'" says Mr. Combe.

    Ship Shortage


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