In a context that calls for rapid local action to face numerous and diverse global challenges, fruitful collaboration to lead ambitious urban mobility change is needed more than ever. Too often, impactful innovative solutions do not make it beyond pilot stage, or mobility transformations remain circumscribed to a district. To overcome such hurdles, it is crucial to accelerate knowledge and experience sharing between all actors and shapers of the urban mobility ecosystem, both direct and indirect ones. Such exchange should not only be limited to successes and failures, but should also provide solutions to stakeholders, decision-makers, and city officials facing common challenges. The Urban Mobility Next series will be one of the enablers of such long-lasting change through cooperation and best practice sharing across the urban mobility community.