I will be at Basel-Mullhouse-Freiburg Airport on 26 February 2009. And planning to go to Strasbourg from there. As I've read on other topics, the easiest way to go there is from St. Louis. And I think the TER which is regional train of France is the cheapest! So is it possible to buy TER tickets from St. Louis railway station without a reservation and how much does it cost approximately? I really need to be answered. Thank you in advance.