Maceió in context: Street-network sprawl trends

Maceio in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
MaceioAlagoas (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Maceió plotted against Alagoas and Brazil. The SNDi of new construction in Maceió rose steadily, compared to Alagoas which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Maceió's incremental SNDi rose from 4.0 to 4.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Maceió ranked 3rd out of 3 cities in Alagoas and 315th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.46
Rank in Brazil
284th of 365
Rank in Alagoas
3rd of 3

Entire Network (Aggregate)

SNDi value
3.56
Rank in Brazil
315th of 365
Rank in Alagoas
3rd of 3

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
MaceioSan Pedro SulaAsyut

In new street additions, Maceió and San Pedro Sula both built increasingly disconnected streets over time, while Asyut built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Maceió and Asyut have been converging in their street-network character since 1975.