Within their regions, PRDU aim to co-ordinate urban development, setting out the roles of urban centres, their spatial and functional relationships, connectivity and growth targets. It should also include guidelines for the allocation of national roads, highways, railways, airports, seaports and international borders, definition of settlements that may require priority treatment, the equipping and requirements of health infrastructure, energy and telecommunications. The MINVU SEREMI are responsible for developing the PRDU, which is then approved by the region’s Intendente and the Regional Council.