Call back of Operators on their day off who have volunteer for such service.
encyclopedia
V.O.
A Transit Operation Supervisor working in the capacity of the Vehicle Operations (VO) function.
VALIDATION
1. The marking of a ticket, pass, or transfer for the purpose of verifying its legitimate use for paid travel, usually giving time and place of marking;_x000D_ 2. The mathematical comparison of two independently obtained sets of data to determine…
VALUE ENGINEERING (VALUE ANALYSIS)
The systematic review by qualified agency and/or contractor personnel of a project, product, or process so as to improve performance, quality, safety, and life-cycle costs.
VAN
Vehicle with a gross vehicle weight rating of less than 10,000 lbs. as identified by the Original Equipment Manufacturer’s weight certificate located on driver’s side door.
VANPOOLING
SEE; Ridesharing.
VARIABLE
A quantity that may have different values; a data measure used for analysis. (TRB)
VARIABLE COST
A cost that varies in some relation to the level of output or operational activity; for example, the cost of fuel. (TRB)
VARIABLE SWITCH (SLAP AND STAY)
Track switch not requiring alignment for trailing movements and once moved, switch points remain aligned in a trailed position. Variable switches shall be properly aligned manually for facing movements.
VAULT
The part of a farebox or turnstile that holds the money or tokens.