Answer:
grid plan
Explanation:
In simple words, The grid plan, also known as the grid street design or stadium design, is a sort of city layout in which routes travel at perpendicular to one another to create a grid. The cost of infrastructure is often higher for regular grid layouts than for layouts with disconnected streets.
These plans are highly evident as they started right from the ancient france and Spain.
so developed it's the highest quality of life,next would be newly industrializing has the second quality of life next would be developing country,and the lowest quality of life would be least developed country correct me if I'm wrong hope it helps,I'll explain u later
