Was heißt »Verkehrslinie« auf Englisch?

Das Substantiv »Verkehrslinie« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Englische Beispielsätze

I've tried calling him all day, but the line is busy.
If my plane doesn't crash, and if I do not get kidnapped by organ thieves, I will drop you a line at the beginning of the week.
The doors of the train on line 3 are closing. Please be careful.
I stood at the end of the line.
A straight line is a trivial example of a curve.
Divide this line segment into twenty equal parts.
I tried to reach him but the line was engaged.
Tom drew a straight line on the paper.
The visitors waited in a long line to get into the museum.
There is a white line in the middle of the road.
But so that we may not cause offense, go to the lake and throw out your line. Take the first fish you catch; open its mouth and you will find a four-drachma coin. Take it and give it to them for my tax and yours.
You have to wait in line.
Prince William is second in line to the English throne.
The thin line between sanity and madness has gotten finer.
In this line of work, if you make a grim face the customers won't come.
As soon as I get to Hokkaido, I'll drop you a line.
Wait in line, please.
She has a nice line in self-deprecation.
Imogen of the Internet can connect to dial-up BBSes by whistling into a funnel attached to a phone line.
She hung the washing on the line.