Setúbal in context: Street-network sprawl trends
Setubal in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Setúbal plotted against Portugal. The SNDi of new construction in Setúbal peaked in 1991-2005, while Portugal rose steadily. Most recently, Setúbal's incremental SNDi fell from 3.63 to 2.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Setúbal ranked 3rd out of 9 in Portugal as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.91
- Rank in Portugal
- 2nd of 9
Entire Network (Aggregate)
- SNDi value
- 2.89
- Rank in Portugal
- 3rd of 9
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Setúbal built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Khash built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Gangakhed fluctuated in its street-construction patterns. For the full network, Setúbal grew more disconnected from 1975 through 1991-2005, then improved, while Khash became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Gangakhed became progressively more disconnected. Setúbal and Khash have been growing further apart in their street-network character since 1975.