Sobral in context: Street-network sprawl trends

Sobral in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
SobralCeara (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sobral plotted against Ceará and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sobral's incremental SNDi rose from 1.61 to 2.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sobral ranked 2nd out of 10 cities in Ceará and 42nd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.25
Rank in Brazil
83rd of 365
Rank in Ceará
5th of 10

Entire Network (Aggregate)

SNDi value
1.55
Rank in Brazil
42nd of 365
Rank in Ceará
2nd of 10

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
SobralKokoJacinto City

While Koko and Jacinto City both built increasingly disconnected streets over time, Sobral fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Sobral and Koko have been growing further apart in their street-network character since 1975.