Alagoinhas in context: Street-network sprawl trends

Alagoinhas in context

2.42.733.3<19751976–19901991–20052006–2020SNDi of street additions
2.42.733.3<19751976–19901991–20052006–2020SNDi of entire street network
AlagoinhasBahia (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Alagoinhas plotted against Bahia and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Alagoinhas's incremental SNDi rose from 2.26 to 2.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Alagoinhas ranked 10th out of 22 cities in Bahia and 191st out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.98
Rank in Brazil
158th of 365
Rank in Bahia
10th of 22

Entire Network (Aggregate)

SNDi value
2.41
Rank in Brazil
191st of 365
Rank in Bahia
10th of 22

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
AlagoinhasGouripurMaihar

In new street additions, Alagoinhas and Gouripur both fluctuated in its street-construction patterns, while Maihar built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Alagoinhas fluctuated in connectivity, while Gouripur became progressively more disconnected and Maihar became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Alagoinhas and Gouripur have been growing further apart in their street-network character since 1975.