Serra Talhada in context: Street-network sprawl trends

Serra Talhada in context

1.522.533.5<19751976–19901991–20052006–2020SNDi of street additions
1.522.533.5<19751976–19901991–20052006–2020SNDi of entire street network
Serra TalhadaPernambuco (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Serra Talhada plotted against Pernambuco and Brazil. The SNDi of new construction in Serra Talhada peaked in 1976-1990, compared to Pernambuco which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Serra Talhada's incremental SNDi fell from 1.81 to 1.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Serra Talhada ranked 3rd out of 15 cities in Pernambuco and 71st out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
1.57
Rank in Brazil
10th of 365
Rank in Pernambuco
2nd of 15

Entire Network (Aggregate)

SNDi value
1.75
Rank in Brazil
71st of 365
Rank in Pernambuco
3rd of 15

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Serra TalhadaSuarHammam Damt

In new street additions, Serra Talhada built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Suar built increasingly disconnected streets from 1975 through 1991-2005, then improved and Hammam Damt fluctuated in its street-construction patterns. For the full network, Serra Talhada grew more disconnected from 1975 through 1976-1990, then improved, while Suar grew more disconnected from 1975 through 1991-2005, then improved and Hammam Damt became progressively more disconnected. Serra Talhada and Suar have been growing further apart in their street-network character since 1975.