With an exception of few cities like Lagos, Abuja, Enugu and others, there is absolutely no master plan to guide development processes in many Nigerian cities.
Where they exist, the level of implementation is low. The clear evidence of this inadequacy is reflected in illegal structures and slums in many Nigerian cities.
As at today, the rating of master plan is relatively low in terms of utilizing the good intents of master plan.
Consequently, many cities are witnessing high rate of environmental deterioration due to uncontrolled urbanization, leading to urban sprawl.