Suburbanization
Encyclopedia
Suburbanization a term used to describe the growth of areas on the fringes of major cities. It is one of the many causes of the increase in urban sprawl
Urban sprawl
Urban sprawl, also known as suburban sprawl, is a multifaceted concept, which includes the spreading outwards of a city and its suburbs to its outskirts to low-density and auto-dependent development on rural land, high segregation of uses Urban sprawl, also known as suburban sprawl, is a...

. Many residents of metropolitan regions work within the central urban area, choosing instead to live in satellite communities called suburb
Suburb
The word suburb mostly refers to a residential area, either existing as part of a city or as a separate residential community within commuting distance of a city . Some suburbs have a degree of administrative autonomy, and most have lower population density than inner city neighborhoods...

s and commute to work via automobile or mass transit. Others have taken advantage of technological advances to work from their homes, and chose to do so in an environment they consider more pleasant than the city. These processes often occur in more economically developed countries, especially in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, which is believed to be the first country in which the majority of the population lives in the suburbs, rather than in the cities or in rural areas. Proponents of containing urban sprawl argue that sprawl leads to urban decay and a concentration of lower income residents in the inner city
Inner city
The inner city is the central area of a major city or metropolis. In the United States, Canada, United Kingdom and Ireland, the term is often applied to the lower-income residential districts in the city centre and nearby areas...

.

Causes and effects

Suburbanization can be linked to a number of different push and pull factors. Push factors include the congestion and population density of the cities, pollution caused by industry and high levels of traffic and a general perception of a lower quality of life in inner city areas. Pull factors include more open spaces and a perception of being closer to "nature", lower suburban house prices and property taxes in comparison to the city, and the increasing number of job opportunities in the suburban areas.
Improvements in transportation infrastructure encourage suburbanization, as people become increasingly able to live in a suburb and commute in to the nearby town or city to work. Developments in railways, bus routes and roads are the main improvements that make suburbanization more practical. The increase in the number and size of highways is a particularly significant part of this effect.
Government policies can have a significant effect on the process. In the United States, for instance, policies of the Federal government in the post-World War II era, such as the building of an efficient network of roads, highways and superhighways
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, , is a network of limited-access roads including freeways, highways, and expressways forming part of the National Highway System of the United States of America...

, and the underwriting of mortgages for suburban one-family homes, had an enormous influence on the pace of suburbanization in that country. In effect, the government was encouraging the transfer of the middle-class population out of the inner cities and into the suburbs, sometimes with devastating effects on the viability of the city centers. However, some argue that the effect of Interstate Highway Systems on suburbanization is overstated. Researchers of this vein believe city center populations would have declined even in the absence of highway systems, contending that suburbanization is a long-standing and almost universal process. They primarily argue that as incomes rise, most people want the range and choice offered by automobiles. In addition, there is no significant evidence directly linking the development of highway systems to declining urban populations.
Insurance companies also fueled the push out of cities, as in many cases, it redline
Redlining
Redlining is the practice of denying, or increasing the cost of services such as banking, insurance, access to jobs, access to health care, or even supermarkets to residents in certain, often racially determined, areas. The term "redlining" was coined in the late 1960s by John McKnight, a...

d inner-city neighborhoods, denying mortgage loans there, and instead offering low rates in the suburban areas. More recently, some urban areas have adopted "green belt" policies which limit growth in the fringe of a city, in order to encourage more growth in the urban core. It began to be realized that a certain amount of population density in the center city is conducive to creating a good, working urban environment.
Race also played a role in American suburbanization. During World War I, the massive migration of African Americans from the South resulted in an even greater residential shift toward suburban areas. The cities became seen as dangerous, crime-infested areas, while the suburbs were seen as safe places to live and raise a family, leading to a social trend known in some parts of the world as white flight
White flight
White flight has been a term that originated in the United States, starting in the mid-20th century, and applied to the large-scale migration of whites of various European ancestries from racially mixed urban regions to more racially homogeneous suburban or exurban regions. It was first seen as...

. This phenomenon runs counter to much of the rest of the world, where slums mostly exist outside the city, rather than within them. With the increasing population of the older, more established suburban areas, many of the problems which were once seen as purely urban ones have manifested themselves there as well. Some social scientists suggest that the historical processes of suburbanization and decentralization are instances of white privilege that have contributed to contemporary patterns of environmental racism
Environmental racism
Environmental racism is a sociological term referring to policies and regulations that disproportionately burden minority communities with negative environmental impacts....

.
Recent developments in communication technology, such as the spread of broadband
Broadband
The term broadband refers to a telecommunications signal or device of greater bandwidth, in some sense, than another standard or usual signal or device . Different criteria for "broad" have been applied in different contexts and at different times...

 services, the growth of e-mail
E-mail
Electronic mail, commonly known as email or e-mail, is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the...

 and the advent of practical home video conferencing, has enabled more people to work from home rather than commuting. Although this can occur either in the city or in the suburbs, the effect is generally decentralizing, which works against the largest advantage of the center city, which is easier access to information and supplies due to centralization. Similarly, the rise of efficient package express delivery systems, such as (in the United States) FedEx
FedEx
FedEx Corporation , originally known as FDX Corporation, is a logistics services company, based in the United States with headquarters in Memphis, Tennessee...

 and UPS
United Parcel Service
United Parcel Service, Inc. , typically referred to by the acronym UPS, is a package delivery company. Headquartered in Sandy Springs, Georgia, United States, UPS delivers more than 15 million packages a day to 6.1 million customers in more than 220 countries and territories around the...

, which take advantage of computerization and the availability of an efficient air transportation system, also eliminates some of the advantages that were once to be had from having a business located in the city.
Industrial, warehousing, and factory land uses have also moved to suburban areas. Cheap telecommunications removes the need for company headquarters to be within quick courier
Courier
A courier is a person or a company who delivers messages, packages, and mail. Couriers are distinguished from ordinary mail services by features such as speed, security, tracking, signature, specialization and individualization of express services, and swift delivery times, which are optional for...

 distance of the warehouses and ports. Urban areas suffer from traffic congestion, which creates costs in extra driver costs for the company which can be reduced if they were in a suburban area near a highway. As with residential, lower property taxes and low land prices encourage selling industrial land for profitable brownfield redevelopment. Suburban areas also offer more land to use as a buffer between industrial and residential and retail space to avoid NIMBY
NIMBY
NIMBY or Nimby is an acronym for the phrase "not in my back yard". The term is used pejoratively to describe opposition by residents to a proposal for a new development close to them. Opposing residents themselves are sometimes called Nimbies...

 sentiments and gentrification
Gentrification
Gentrification and urban gentrification refer to the changes that result when wealthier people acquire or rent property in low income and working class communities. Urban gentrification is associated with movement. Consequent to gentrification, the average income increases and average family size...

 pressure from the local community when residential and retail is adjacent to industrial space in an urban area. Suburban municipalities can offer tax breaks, specialized zoning
Industrial park
An industrial park is an area zoned and planned for the purpose of industrial development...

, and regulatory incentives to attract industrial land users to their area, such as City of Industry, California.The overall effect of these developments is that businesses as well, and not just individuals, now see an advantage to locating in the suburbs, where the cost of buying land, renting space, and running their operations, is cheaper than in the city.
This continuing dispersal from a single city center has led to other recent phenomena in American suburbs, the advent of edge cities
Edge city
"Edge city" is an American term for a concentration of business, shopping, and entertainment outside a traditional urban area in what had recently been a residential suburb or semi-rural community...

 and exurbs, arising out of clusters of office buildings built in suburban commercial centers around shopping malls and higher density developments. With more and more jobs for suburbanites being located in these areas rather than in the main city core that the suburbs grew out of, traffic patterns, which for decades centered on people commuting into the center city to work in the morning and then returning home in the evening, have become more complex, with the volume of intra-suburban traffic increasing tremendously.
By 2000, half of the US population lived in suburban areas.

Effects on psychological health

Historically it was believed that living in highly urban areas resulted in social isolation
Social isolation
Social isolation refers to a lack of contact with society for members of social species. There may be many causes and individuals in numerous generally social species are isolated at times, it need not be a pathological condition. In human society, in those cases where it is viewed as a pathology,...

, social disorganization, and psychological problems, and that living in suburbs would be more conducive to overall happiness
Happiness
Happiness is a mental state of well-being characterized by positive emotions ranging from contentment to intense joy. A variety of biological, psychological, religious, and philosophical approaches have striven to define happiness and identify its sources....

, due to lower population density, lower crime, and a more stable population. A study based on data from 1974, however, found this not to be the case, finding that people living in suburbs had neither greater satisfaction with their neighborhood nor greater satisfaction with the quality of their lives as compared to people living in urban areas.

Economic Impacts of Suburbanization

The economic impacts of suburbanization have become very evident since the trend began in the 1950s. Changes in infrastructure, industry, real estate development costs, fiscal policies, and diversity of cities have been easily apparent, as “making it to the suburbs”, mainly in order to own a home and escape the chaos of urban centers, have become the goals of many American citizens. These impacts have many benefits as well as side effects and are becoming increasingly important in the planning and revitalization of modern cities.

Suburbanization’s impact on Industry in the city

The days of industry dominating the urban cores of cities are gone. Companies are increasingly looking to build industrial parks in less populated areas, largely to match the desires of employees to work in more pleasant areas. Also contributing to the flight of industry from the city are government economic policies that provide incentives for companies to build new structures, as well as the lack of incentives to build on “brownfield” land (previously used industrial land). As companies continue to build on pieces of land in less populated areas, it will become increasingly difficult to build in high-density areas. The main factor that causes this is that if any of the side effects of industry (noise, excessive lights, heavy traffic) affect residential areas, there is resistance from the homeowners. Another potential impact of industry leaving the city is that generally, when industry is separated from an urban area by some open space, as well as infrastructure, the open space between the city and the company becomes more intensely used. As this land becomes used more and more, the value of properties very often increases, causing many landowners in that open space to sell their land.

Consequences on Infrastructure

As suburbanization continues and America continues to sprawl, the cost of the required water lines, sewer lines, and roads could cost more than $21,000 per residential and non residential development unit, costing the American government $1.12 Trillion over the next twenty five years. Along with the costs of infrastructure, existing infrastructure suffers, as most of the government’s money that is dedicated to improving infrastructure goes to paying for the new necessities in areas further out from the urban core. As a result, the government will often forgo maintenance on previously built infrastructure.

Impact on Real Estate Development Costs

For residential properties, suburbanization allows for home prices to decrease, so people can drive until they can find an area in which they can afford to buy a home. However, these homes may lack certain things such as parks and access to public transit. Also, the prices of homes in downtown center usually decreases as well to compete with the inexpensive homes in the suburbs. One of the main benefits of living in the suburbs is that one gets a much larger piece of land than one would in the city. Therefore, as the size of lots increases, the supply of housing is more limited.

Fiscal Impact of Suburbanization

The fiscal deficit grows as a result of suburbanization, mainly because in less densely populated areas, property taxes tend to be lower. Also, because of the typical spread pattern of suburban housing, the lack of variety of housing types, and the greater distance between homes, real estate development and public service costs increase, which in turn increase the federal deficit.

Suburbanization’s Effect on Diversity within the City

In the 1950s when the trend of suburbanization took hold, many of the people who left the city for the suburbs were white. As a result, there was a rise in black home ownership in central cities. As white households left for the suburbs, housing prices in transition neighborhoods fell, which often lowered the cost of home ownership for black households. This trend was stronger in older and denser cities, especially in the northeast and Midwest, because new construction was generally more difficult.

Benefits of Sprawl

There are many benefits to suburbanization, specifically for the homeowner. The household has the opportunity to have a larger lot and live in a less populated area. For companies, escaping the city allows them to use more land, satisfy their employee’s requests for more quiet work environments, and allows them to develop their business on cheaper land.
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