Seems like all the railroad lines out of Frankfurt are fouled up because somebody blew up an ammunition train.
4 seconds sound clip from the Stalag 17 movie soundboard.
You can hear this line at 00:50:55.661 in the Blu-ray version of the movie.
Quote context
[...]
- Okay, gang. Meet our new guests. This is Lieutenant Dunbar and this is Sergeant Bagradian.
- Knock it off. Knock it off, fellas. The pleasure's all mine.
- Hey, how are things, lieutenant?
- What's doing on the outside?
- Yeah, what's new in the States?
- Well, the skirts are shorter, if that's what you mean.
- Yeah!
- Somebody, my eye. The lieutenant did it. Right in the station with 50 German guards around.
- Glad to have you with the organization.
- Yeah, you're just in time for the Christmas pageant.
- Looks more like the lost company of Tobacco Road.
- He's an actor. You should see him do imitations. He can imitate anybody. Do Lionel Barrymore again.
[...]