Table 2. Urban typologies. Attributes associated with the distributions of population, infrastructure and urban services, and the dimensions of the urban environment. Special consideration is given to the typologies appropriate to this study.

   
Traditional
  
Neo-traditional
  
Satellite suburb
  
Infill suburb
  
City
Relevant urban scales  
2–4
  
3–4
  
3
  
4
  
5
Typological designation  
0.1–0.4
  
0.1–0.4
  
0.6–0.9
  
0.1–0.9
  
0.1–0.9
Urban population/ha  
25–65
  
25–50
  
< 12
  
12–40
  
> 75
Urban population (order of magnitude)  
< 104
  
104
  
103–105
  
103–105
  
104–107
Percent impervious surface  
< 30
  
< 50
  
50–70
  
60–70
  
> 70
Type of zoning and/or urban land use  
3
  
2–3
  
1
  
1–2
  
3
Jurisdictions  
Hamlet, town
  
Subdivision, town
  
Subdivision, city
  
Subdivision, city
  
Neighborhood, city
Principal road network  
Grid
  
Grid
  
Sparse hierarchy
  
Sparse hierarchy to grid
  
Grid
Transportation scale  
Ambulation
  
Ambulation
  
Automobile
  
Automobile, public transit
  
Automobile, public transit