Kiambu Road links Kiambu town to Nairobi City. Due to the increasing population of Nairobi City, many people who work in Nairobi have opted to live along Kiambu Road due to availability of land and cheaper housing compared to areas closer to the city center. Along its route are residential areas such as Muthaiga North, Runda, Fourways and Thindigua. To serve this growing population, amenities such as schools e.g., Brookhouse School and hospitals e.g., AAR Hospital have been put up. There has also been growth of businesses such as shopping malls, petrol stations, car dealerships and hotels.

Evidently, over the years there has been a high demand for road network. It is a major priority for
every Government that comes to power to develop and improve on the road network systems.
However, most times, there occurs a need to improve the properties of deficient soils, in order to
provide accessibility even amongst rural dwellers and farmers who comprise most of our country’s
population. In the need to tone down the cost of soil stabilizers as well as cost of waste disposal,