Macaé in context: Street-network sprawl trends

Macae in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
MacaeRio de Janeiro (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Macaé plotted against Rio de Janeiro and Brazil. The SNDi of new construction in Macaé rose steadily, compared to Rio de Janeiro which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Macaé's incremental SNDi rose from 4.09 to 4.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Macaé ranked 11th out of 22 cities in Rio de Janeiro and 299th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.34
Rank in Brazil
277th of 365
Rank in Rio de Janeiro
9th of 22

Entire Network (Aggregate)

SNDi value
3.36
Rank in Brazil
299th of 365
Rank in Rio de Janeiro
11th of 22

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
MacaeLengshuijiangLe Havre

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