Arapiraca in context: Street-network sprawl trends

Arapiraca in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
ArapiracaAlagoas (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arapiraca plotted against Alagoas and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Arapiraca's incremental SNDi rose from 2.35 to 2.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arapiraca ranked 2nd out of 3 cities in Alagoas and 181st out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.77
Rank in Brazil
135th of 365
Rank in Alagoas
2nd of 3

Entire Network (Aggregate)

SNDi value
2.36
Rank in Brazil
181st of 365
Rank in Alagoas
2nd of 3

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

What about similarly populated cities?

1.62.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ArapiracaMandsaurIndio

In new street additions, Arapiraca fluctuated in its street-construction patterns, while Mandsaur built increasingly disconnected streets over time and Indio built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Arapiraca and Mandsaur have been growing further apart in their street-network character since 1975.