Araruama in context: Street-network sprawl trends

Araruama 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
AraruamaRio de Janeiro (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Araruama plotted against Rio de Janeiro and Brazil. The SNDi of new construction in Araruama 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, Araruama's incremental SNDi rose from 3.39 to 4.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Araruama ranked 7th out of 22 cities in Rio de Janeiro and 263rd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.55
Rank in Brazil
292nd of 365
Rank in Rio de Janeiro
10th of 22

Entire Network (Aggregate)

SNDi value
2.91
Rank in Brazil
263rd of 365
Rank in Rio de Janeiro
7th of 22

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

What about similarly populated cities?

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
AraruamaLuotian CountyXonqa

While Luotian County and Xonqa both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Araruama built increasingly disconnected streets over time in new street additions. Looking at the full network, Luotian County and Xonqa both grew more disconnected from 1975 through 1991-2005, then improved, while Araruama became progressively more disconnected. Araruama and Luotian County have been growing further apart in their street-network character since 1975.