Methods of Analysis

Two measures of urban layouts that PLACE LOGIC can analyse include Street Activity and Place Connectivity. These measures provide different but complementary insights to how places function at various scales. A further tool offered by PLACE LOGIC is the 20 Minute Neighbourhood Analysis, which measures pedestrian accessibility to a wide range of local amenities and services.



20 Minute Neighbourhood Analysis

Despite its recent emergence in public planning policy globally to promote more sustainable lifestyles, the idea of the 20-minute neighbourhood is not new. The Garden City Movement was one of the first proponents of the concept, encouraging communities with a mix of housing types and land uses, and the idea has since acted as a cornerstone for more contemporary theoretical movements such as New Urbanism, Smart Growth, and Sustainable Development.

The general understanding of the 20-minute neighbourhood is that they are places where residents can meet their daily needs within a ten-minute walk or a 20-minute round trip. There is no universal definition for the types of amenities and distances that should be considered, however, we can support the analysis of 20-minute neighbourhoods in all their forms.






Street Activity

Street Activity measures the relative importance of intersections for travelling through a network.

It provides a representation of the number of times we would use an intersection if we were to travel along the shortest path from each intersection in the network to every other.

To allow for clearer representation, routes adopt the average value of the two intersections that define them, and the level of activity of route within a network is exhibited using a colour scale.

The most active routes appear in red, whilst the least active appear in blue.


Examples of applications:

  • Commercial valuation
  • Crime and security
  • Urban space and public realm design
  • Street hierarchies and landscaping




Place Connectivity

Urban centres tend to be located on well-connected intersections.

Place Connectivity measures the average distance between an intersection and every other intersection within the whole network, or a defined radius (i.e., a 15 minute walking radius of 1200m).

As in the case for Street Activity, routes adopt the average value of the two intersections that define them to allow for clearer representation.

Likewise, Place Connectivity outputs are presented using a colour scale whereby the most connected routes are shown in red, and the least connected are shown in blue.


Examples of applications:

  • Landuse distribution and density
  • Location of commercial centres in large developments
  • Location of civic functions and other key facilities
  • Land valuation

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