Itajaí in context: Street-network sprawl trends

Itajai in context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
ItajaiSanta Catarina (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Itajaí plotted against Santa Catarina and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Itajaí's incremental SNDi rose from 6.42 to 8.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Itajaí ranked 13th out of 13 cities in Santa Catarina and 362nd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
8.11
Rank in Brazil
358th of 365
Rank in Santa Catarina
13th of 13

Entire Network (Aggregate)

SNDi value
6.14
Rank in Brazil
362nd of 365
Rank in Santa Catarina
13th of 13

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
ItajaiBotouBaiyin

In new street additions, Itajaí and Botou both fluctuated in its street-construction patterns, while Baiyin built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Itajaí and Botou both became progressively more disconnected, while Baiyin became progressively more connected. Itajaí and Baiyin have been growing further apart in their street-network character since 1975.