Critiques of the urban functions in rural development approach have ex
plored the strengths and limitations of this regional planning process
as well as those of the location-allocation algorithms proposed as an
alternative. Whatever the limitations of the two approaches may be, h
owever, location-allocation algorithms cannot replace the broader plan
ning framework of the urban functions method. Continuing the debate ov
er the merits of these regional planning methods has become less impor
tant than examining the lessons from nearly two decades of experience
of applying the urban functions method in developing countries. Those
lessons can help regional scientists formulate new methods of regional
analysis that will be useful to planners and policymakers in the futu
re.