railway carriage BrE
railroad carriage AmE
railroad car AmE

For that you need something like a private railroad car.

"You're getting me out of here in your private railroad car?"

Lincoln had said, as he sat in the special railroad car.

There are nearly 100 other railroad cars in the collection as well.

The outer door at the far end of the railroad car was open.

In the railroad car, the radio played a pop song he did not know.

But something happened to me on the floor of that railroad car.

Each railroad car has an individual boss, discipline and almost no food.

He literally traveled in the same railroad car with them.

They keep this long, narrow site from feeling like a railroad car and make it possible to have a bit of mystery.