There are more advantages and disadvantages in regional planning. so it should have critiques and make new strategies to over come this disadvantages. Please add your ideas.
Planners have long thought that it makes sense to be able to plan at the regional scale, and not just at the local scale, because many planning issues affect areas that cross multiple municipal boundaries. There is a summary of some of these issues in the introduction and conclusions chapters of my book Sorensen, A. and J. Okata, Eds. (2011). Megacities: Urban Form, Governance, and Sustainability. Tokyo, Springer Verlag. The chapters are both available on Research Gate.
Article Introduction: Megacities, Urban Form, and Sustainability
Chapter Megacity Sustainability: Urban Form, Development, and Governance
See also work by:
Faludi, A. and B. Waterhout (2002). The making of the European spatial development perspective no masterplan. London ; New York, Routledge. Hall, P. and K. Pain (2006). The polycentric metropolis : learning from mega-city regions in Europe. London ; Sterling, VA, Earthscan.
One major problem with regional planning is that if it comes with real power, or resources, then it can creates conflicts with local plans, and local politicians usually resent interference in their affairs. There is a large literature on this also
Frisken, F. and D. Norris (2001). "Regionalism Reconsidered." Journal of Urban Affairs 23(5): 467 - 478. Wheeler, S. (2000). "Planning for Metropolitan Sustainability." Journal of Planning Education and Research 20: 133-145. Wheeler, S. (2002). "The New Regionalism - Key Characteristics of an Emerging Movement." Journal of the American Planning Association 68(3): 267 - 278.
The rapid urbanisation in africa with leapfrog urbanisations scattered across africa urban space has brought back the old question of the need for regional integrated planning. As a driver for more livable and productive urban spaces, regional integrated planning has the potent to drive growth through well planned urban spaces and enhanced land value capture
In Indian Scenario, its long term, rigid and many time projections are difficult...Public policy and other factors may change during plan period...Still controlled mainly by Town and Country Planning Department...procedural delay....More of a Strategic Plan....
Regional planning has potential to address more of socio-economic and sustainability issues than just physical infrastructure. Most of the regional planning actions are focused on urban regions which in itself is centered around mother cities and its hinterland. Physical planning of regions have taken out people from its ambit of concern. Regional planning should have inclusive strategies, resource sharing abilities and bridge the urban -rural divide. The regional resources and its utilization (not exploitation) must be addressed by focusing on the natural resources. Its not prudent to being more urban centered which looking for expansion beyond cities physical limits. The administration of the regions which largely historical and geographical basis encompasses the security of resources for future. Most of the regions globally have exploited the regions for its resources, and left to fend for themselves while looking for good opportunity somewhere else. The cultural imprints and nature of region must be respected not only for protection of local culture but also to reduce the regional conflict. The national character of planning somewhat disregard the regional aspiration which can be addressed by more participatory and community based planning.