You can get to Strasbourg by Bus with Eurolines. Eurolines travel agency is located in Place d'Austerlitz, but buses stop close to the tram station "Krimmeri Stade de la Meinau". From there, you can take the Tram E (direction Strasbourg Robertsau Boecklin) and get off at the station Strasbourg Universités. Then, follow the map below. For more information, check the Eurolines and the CTS websites.