Since construction is informal and unguided by urban planning, there is a near total absence of formal street grids, numbered streets, sanitation networks, electricity, or telephones. Even if these resources are present, they are likely to be disorganized, old or inferior .
Shanty towns has inevitably high rates of crime, suicide, drug use, and disease
The main objective of slum upgrading is to improve the poor living standards of slum dwellers. Many slums lack such as availability of safe drinking water, sanitation, wastewater and solid waste management. Slums are characterized by unhealthy sanitary conditions, poor and unplanned housing, destitute families and low community cohesion save for lack of identity.