Step 7: Promotion and Feedback 27. January 2021 David-Koller City traffic, Step 7 Promotion & Feedback, Team Zurich VZ20A (0) Finally my project is online. If you are interested in the topic of traffic and its emissions in the city of Zurich. Then take a look at my project at Projekt city traffic I would be happy if you visit my project and leave a comment how you liked it.