Another thing I've heard about showers - is it true that there is a button to push that will give you 20 seconds of water at a time? I want to be conservative with water, but I don't know if I can get water temp adjusted in 20 seconds! And, then if you have to readjust water temp each time you push the 20 second button. OR - do I have this all wrong? Is it just a continuous flow of water?

Thanks for the other train travel tips. Hope I don't have a tour group on train with me. We are traveling on Empire Builder and from what I've heard, the food is great!