- Public transport survey, Salzburg, 2011
- Punctuality survey for the bus traffic, Bonn, 2009
- Quality survey (tram 66), Rhein-Sieg-Kreis and Bonn, 2009
- Traffic analysis, Marktgemeinde Gratwein, 2009, pdf 2,5 MB
- Customer satisfaction survey S-Bahn, Graz 2009, pdf 1,7 MB
- Regional commuter survey, East Styria 2008