Considering that a part of citizens' economic, social and environmental needs change over time, regulations must be given the necessary flexibility to be able to adapt at all times to urban reality, the plan, and the actors and agents involved in the process, thus making it easier to quickly manage the changes.

Milestone-based urban planning (plans, management, development, building, activity, etc.) should be replaced by process-based urban planning, which interprets the set as a whole rather than independent parts, and it should be capable of managing the complexity of the changes. Therefore, new mechanisms to foster public-private relationships must be established. In order to streamline processes, it is especially important to modify the role played by public agencies that, instead of controlling the activity, should do more to invigorate it. In this regard, by working with entities, agencies, bodies, public companies or consortiums that manage specific projects, with a general view of the urban development, economic and social process, it is possible to get closer to the social and economic actors involved, as well as increase knowledge, involvement, and achieve a more effective and efficient management, whilst strengthening the co-responsibility of all the agents.