Schönauer, Stubenschrott, Huang, Rudloff, Fellendorf - 1 - Modeling concepts for mixed traffic: Steps towards a microscopic simulation tool for shared space zones Robert Schönauer (Corresponding Author) mobimera Fairkehrstechnologien Argentinierstraße 43/1/4 A-1040 Vienna, Austria Phone: +43 (0) 650 8415746 schoenauer@mobimera.at Martin Stubenschrott Dynamic Transportation Systems Austrian Institute of Technology Giefinggasse 2 A-1210 Vienna, Austria Phone: +43 (0) 664 2351929 martin.stubenschrott@ait.ac.at Weinan Huang TU Graz, Institute for Highway Engineering and Transport Planning Rechbauerstraße 12/II A-8010 Graz Phone: +43 (0)316 873-6221 w.huang@tugraz.at Christian Rudloff Dynamic Transportation Systems Austrian Institute of Technology Giefinggasse 2 A-1210 Vienna, Austria Phone: +43 (0) 50550-6439 christian.rudloff@ait.ac.at Martin Fellendorf TU Graz, Institute for Highway Engineering and Transport Planning Rechbauerstraße 12/II A-8010 Graz Phone: +43 (0)316 873-6221 martin.fellendorf@tugraz.at Submitted: August 1, 2011 Word Count: 5368 Tables: 1 Figures: 7 Total no. words: 7368