The new interior of 1959 under a wooden barrel vault is very plain.

The new interior is much more open and of contemporary design.

The new interiors were in a different style and at a larger scale.

The new interior has some nice features for on-the-move families.

If the new interior gets a positive reaction the full Class 317 fleet could be refurbished by the end of 2017.

The reason was not price, but expertise, said executives who worked with Lear on the new interior.

The new interiors will be built around a food court with enlarged areas for traffic reports and road conditions.

These differences disappeared over the years as new interiors have been installed.

The new interior remains practical but is far more handsome and upscale.

The new interior was opened on May 9, 1954.