encyclopedia

TOTAL OPERATING REVENUE

The sum of regular passenger revenue, charter revenue, and other miscellaneous revenues, such as those from advertising or concessions. (TRB)

TOTAL TRAVEL DEMAND

The potential number of trips that would probably be made by people who do not now travel because of inconvenience, unawareness, inaccessibility, or unavailability of present modes or the inability to use them. (TRB)