encyclopedia

BACKUP

Equipment, data or procedure available for use in the event of a failure or loss.

BACKUP SYSTEM

A redundant system that performs the principal functions of the primary system with minimum deviation from the performance of the primary system.

BACKUP VEHICLES

Backup vehicles are defined as vehicles that are used from time-to-time and not on a daily basis to provide service.

BACKWARDATION

Market situation in which futures prices are progressively lower in the distant delivery months. For instance, if the gold quotation for January is $360.00 per ounce and that for June is $355.00 per ounce, the backwardation for five months against…

BAD ORDER (BO)

1. A notice that a transit unit or locomotive needs repair. 2. A defect in a device or a transit unit or locomotive needing repair. (TRB)

BADGE NUMBER

An employee number assigned for record keeping and identification purposes.