Urban Sprawl: An Overview An Overview Urban Sprawl: ______spread of development from an urban area into rural areas Shorter Definition: Development on rural land at the edge of a city. Three Types of Sprawl Low Density: ______on large lots Ribbon: Single family homes on large lots that ______. About one lot per 5 acres. Three Types of Sprawl Leap Frog: Neighborhoods outside the city that are more dense. These developments aren’t directly ______to the rest of the city. Causes of Sprawl ______, ______, ______Urban Sprawl Typically: ______, ______, creates heavy car dependency Harmful Effects of Sprawl: Loss of ______Loss of ______Increase in air and water ______Increase in ______Versailles and Sprawl Size of Versailles has gone from 80 acres in 1793 to 288 acres in 1887 to 2800 acres today. Population in 1887 was about 4,500, today it is about 7,500. Population has increased 60 percent in 122 years, land use has increased 1,000 percent. ______per acre today. About 20 residents per acre in 1887. What are we doing about it? Versailles is working to avoid sprawl Created Planning and Zoning Commission in 1954 This meant that the city controlled how new neighborhoods could be built. Urban Growth Lexington was first city in U.S.(1954) to establish an urban growth boundary. This kept the city from sprawling uncontrollably. “ Smart Growth” City is ______and mass-transit friendly. Includes neighborhood retail and commercial ______Preserves ______

Phoenix: The Urban Desert

Partner 1-Automobile Questions: 1. Why do automobiles mean “more residential dispersion and commercial decentralization?”

2. What does the author mean by a “more traditional city structure?”

3. How did the affordable car affect urban growth in Phoenix? Partner 2: Dams and Reservoirs questions: 1. Why are the Salt River Project and the Central Arizona Project considered major developments in Phoenix’s history?

2. According to these passages, what role has the federal government played in developing the West?

3. According to the author of the second passage, how would the CAP be funded?

Partner 3 - Air Conditioning Questions: 1. By approximately how many people did Phoenix's population increase between 1950 and 1960?

2. What action did the FHA take that caused a surge in home buying in Phoenix?

3. What does the increased need for electricity have to do with water?

Partner 4 – Population Pyramids The population pyramid at left is of Maricopa County AZ (2000) of which Phoenix is the main urban center.

How would you describe the 2000 growth?

Is the pyramid about what you’d expect to see from the 6th largest US city, located in the Sonora Desert?

What prediction would you make for the population 20 years later?