Urban mobility challenges since the COVID-19 pandemic crisis have gained added attention, with a focus on inclusivity of vulnerable citizens, safety and affordability. The EU-funded ELABORATOR project started in June 2023, aiming to deliver co-designed interventions in the urban fabric of 12 European cities. This paper introduces the project, focusing on the co-designed procedure of evaluation methodology comprising the evaluation plan and providing unified metrics suitable for knowledge transfer with outputs to measure and assess the impact of the co-designed city interventions.