Major US cities
Acronyms
Famous People
Zoning Codes
Planning movements
100

It’s the largest US city with no formal zoning code.

Houston, Texas

100

Traffic engineers grade roads A through F with this measure.

What is LOS (level of service)?

100

This person designed New York’s Central Park

Fredrick Law Olmsted

100

Named after a Supreme Court case, this system separates land into single-use districts.

What is Euclidean zoning?

100

This 1930s plan imagined spreading Americans across the countryside on one-acre homesteads linked by highways.

What is the broadacre city?

200

Known as the Motor City, it has lost more than 60% of its population since its 1950 peak.

Detroit, Michigan

200

Required for urban areas >50,000 people, these bodies coordinate federal transportation spending.

What is an MPO (Metropolitan Planning Organization)

200

Their 1961 book championed busy sidewalks and mixed-use neighborhoods.

Jane Jacobs

200

In most codes, an “R” district is zoned for this.

What is residential use?

200

Chicago’s “White City” at the 1893 World’s Columbian Exposition launched this movement of grand boulevards and neoclassical buildings.

What is the City Beautiful movement?

300

The Gateway Arch stands on the Mississippi River in this city.

St. Louis, Missouri

300

A homeowner who supports affordable housing, but shows up at a hearing to fight a project on their street. 

What is a NIMBY (Not In My BackYard)

300

This “master builder” shaped New York, and also bulldozed many minority neighborhoods for urban renewal

Robert Moses

300

A building that was legal before the rules changed, but now breaks them.

Nonconforming use (grandfathered)

300

Seaside, Florida, with its front porches and walkable streets, became a poster child for this 1980s–90s movement.

 What is New Urbanism?

400

William Penn’s 1682 plan for this city included a grid and five public squares.

Philadelphia, Pennsylvania 

400

This tool pays for improvements in an area by locking a parcel's tax valuation for a set period 

What is TIF (tax increment financing)
400

Their mass-produced suburb on Long Island became the model for postwar suburbia.

William Levitt

400

Instead of separating uses, these codes regulate building shape and how it meets the street.

What are form-based codes?
400

this program cleared “blighted” neighborhoods, often displacing Black and low-income residents.

What is urban renewal?

500

In 1900, engineers reversed the flow of this city’s river to send sewage away from Lake Michigan.

Chicago, Illinois 

500

Buildings earn Certified, Silver, Gold or Platinum ratings under this green building program.

What is LEED (Leadership in Energy and Environmental Design)?

500

This person laid out Washington, DC's diagonal avenues and traffic circles in 1791. 

Pierre L'Enfant

500

This kind of zone sits on top of the base zoning to add extra rules i.e. historic district or floodplain.

What is an overlay zone?
500

This plan proposed bulldozing much of central Paris to make way for these.

What are towers in a park?