The post from Adore was quite spot on.
Incedentally, at Phaya Thai, they have a lift and that will help you avoid the steps.
I love the fact that you no longer have to worry about traffic, taxi drivers behaving like lunatics and/or not putting the meter on.
BTW, it is possible to purchase some kind of smart card for the Sky train, add soem credit to it and save yourself looking for spare change.
Dieter :unsure: