乘车英语对话-The Bus System in LA(3)

A: Is there a bus in Altadena that'll take me to downtown LA?
B: The 486.
A: The 486 really goes downtown?
B: Yes, it does.
A: How long is the bus ride?
B: It's about forty-five minutes to an hour.
A: Is that right?
B: Yeah, it's not that long of a trip.
A: Is that a crowded bus?
B: It starts getting more crowded the closer you get to LA.
A: Thank you very much.
B: You're very welcome.