passenger mile

or pas·sen·ger-mile

noun

a unit of measurement, consisting of one mile traveled by a passenger, that airlines, railroads, and other public transportation facilities use in recording volume of traffic.

Origin of passenger mile

First recorded in 1900–05

Related formspassenger mileage, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for passenger mile

Historical Examples of passenger mile

The passenger-mile—representing the progress of one train over one mile of track—is the unit of that form of traffic.
The Railroad Problem
Edward Hungerford
A passenger-mile, as we know already, is one of the units in estimating the traffic revenue of a railroad.
The Railroad Problem
Edward Hungerford