“New York-bound local train, now boarding on track three.”
You're waiting at a train station for a train to New York. You hear this announcement as you wait.
New York-bound local train, now boarding on track three.
This phrase expresses the direction that something is traveling in:
There's a Hong Kong-bound flight leaving in an hour and a half.
No, don't take the south-bound train.
You can also say "bound for ___":
Is this bus bound for New Jersey?
A "local train" stops at every stop on its line.
Some trains, called "express trains", skip some stops. They do this to get to the destination faster.
When a train, bus, or airplane is "boarding", it means that passengers are being let onto it.
When airport or train station employees are making announcements, they say:
But when you want to talk about the flight or train that you're taking, you say:
My flight's boarding now, so I've got to go. I'll call you later.
I think our train is boarding.
Different train tracks in a train station are usually identified with different letters or numbers.