urbanization key issue #4: why do suburbs have distinctive problems?
TRANSCRIPT
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Urbanization
Key Issue #4: Why do suburbs have distinctive problems?
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Appeal of the Suburbs
• Detached, single family dwelling, private land, space to park cars, and more privacy
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Edge Cities
• Edge cities – nodes of consumer and business services around the beltway
• Originated as residential areas, then malls were built, office parks were attracted
• Specialized nodes may appear in edge cities (airport, theme park, etc…)
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Density Gradient
• As you travel outward from the center of a city, you watch the density decline, this is called density gradient
• Two changes have affected the density gradient in recent years:
1. The number of people living in the center has decreased
2. The trend towards less density difference within urban areas
• In Europe, low-income high-rise apartments in the suburbs has also affected the density gradient
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Cost of Suburban Sprawl
• Sprawl = the progressive spread of development over the landscape
• As long as demand for detached single family homes is high, sprawl will remain
• Sprawl can be inefficient
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Suburban Segregation
• Modern U.S. suburbs are segregated in two ways
1. Residents are separated from commercial and manufacturing activities
2. Housing in a given community is usually built for a single social class, with others excluded by virtue of cost, size, or location of the housing
– Zoning ordinances – encourage segregation
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Motor Vehicles
• Suburban explosion in the 20th century has depended on motor vehicles
• Motor vehicle ownership is nearly universal in America with the exception of some poor families, older individuals, and people living in large cities like NYC
• An average city allocates about ¼ of its city to roads and parking lots
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Rush-Hour Commuting
• As much as 40% of all trips made into or out of a CBD occur during four hours of the day – 2 in the morning, 2 in the evening
• Rush hour• In larger cities…• But people prefer…
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New Rapid Transit Lines
• The one exception to the downward trend in public transportation
• Fixed heavy rail – subways
• Fixed light rail – streetcars
• Many cities are seeing an increase in the use of rapid transit systems (Chicago, Boston, etc…)
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Service Versus Cost
• Many public transportation systems are caught in a cycle; the fares do not match revenue
• Low-income people need to use public transportation; as jobs are taken outside the city to the suburbs, they are not able to use public transit because the transit may not reach the suburbs
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Public Transit in Other Countries
• In more developed countries where car ownership is high, networks of tram, bus and subway have been maintained
Tokyo
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Federations
• Toronto and Ontario have a federation system
• Region’s six local governments are responsible for police, fire, and tax collection services
• A regional government, Metropolitan Council (Metro), sets the tax rate for the region as a whole
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Consolidations
• Several U.S. urban governments have consolidated
• Indianapolis and Miami are examples
• Both have consolidated city and county governments
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Growing Smart
• Taking steps to curb sprawl, reduce traffic congestion, and reverse inner city decline
• The goal = produce a pattern of compact and contiguous development while protecting land for agriculture, recreation, and wildlife
• Legislation to limit sprawl and preserve farmland is called smart growth