The city of Hamburg has modernized it’s transportation system aiming to neutralize the carbon footprint. But has this modernization decreased the travel times? Has it decreased the co2 emissions? This dashboard aims to answer these questions through visualizations and simulations based on real world data. Here, we compare travel patterns and carbon footprint under 5 simulated scenarios. DIH connector services help in secure and sovereign exchange of scientific data to build applications that rely on sensitive data.