CyclingMax is a data-driven tool developed by the World Bank, ITDP, and Progress Analytics to help policymakers invest in cycling infrastructure. By analyzing costs, safety, environmental impact, and health benefits, it enables informed decision-making for sustainable urban transport. Case studies from cities like Abidjan, Dodoma, Kampala, and São Paulo highlight the economic, environmental, and social benefits of cycling investments. Despite challenges such as funding gaps and political inertia, the future of urban mobility depends on prioritizing cycling as a key component of sustainable transportation.