world class transport, according to who?

What is world class public transport system?

My immediate response is to look at the best, the most efficient, the most comfortable and the most customer friendly, ignoring the cost for the moment. What comes into my mind is SIA first class or first class in the bullet trains. Plush upholstery, pretty hostesses, service with a smile, tender loving care, and a lot of room to move around, read the