Itapema in context: Street-network sprawl trends

Itapema in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ItapemaSanta Catarina (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Itapema plotted against Santa Catarina and Brazil. The SNDi of new construction in Itapema peaked in 1991-2005, compared to Santa Catarina which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Itapema's incremental SNDi fell from 3.38 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Itapema ranked 5th out of 13 cities in Santa Catarina and 255th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in Brazil
180th of 365
Rank in Santa Catarina
2nd of 13

Entire Network (Aggregate)

SNDi value
2.85
Rank in Brazil
255th of 365
Rank in Santa Catarina
5th of 13

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ItapemaQinnanChanderi

In new street additions, Itapema built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Qinnan fluctuated in its street-construction patterns and Chanderi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Itapema became progressively more disconnected, while Qinnan fluctuated in connectivity and Chanderi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Itapema and Chanderi have been converging in their street-network character since 1975.