What does PSRO stand for?
PSRO stands for "Passenger Standing Route Order"
How to abbreviate "Passenger Standing Route Order"?
"Passenger Standing Route Order" can be abbreviated as PSRO
What is the meaning of PSRO abbreviation?
The meaning of PSRO abbreviation is "Passenger Standing Route Order"
What does PSRO mean?
PSRO as abbreviation means "Passenger Standing Route Order"