Rio Grande in context: Street-network sprawl trends

Rio Grande in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Rio GrandeRio Grande do Sul (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Rio Grande plotted against Rio Grande do Sul and Brazil. While Rio Grande do Sul and Brazil both followed a zig-zag trend with an overall increase, Rio Grande's new street additions followed a zig-zag trend with an overall increase. Most recently, Rio Grande's incremental SNDi rose from 2.92 to 4.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Rio Grande ranked 6th out of 22 cities in Rio Grande do Sul and 154th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.26
Rank in Brazil
270th of 365
Rank in Rio Grande do Sul
15th of 22

Entire Network (Aggregate)

SNDi value
2.21
Rank in Brazil
154th of 365
Rank in Rio Grande do Sul
6th of 22

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

What about similarly populated cities?

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Rio GrandeDayiGimpo

In new street additions, Rio Grande and Gimpo both fluctuated in its street-construction patterns, while Dayi built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Notably, Rio Grande had a more sprawly network than Dayi in 1975 but the two have since reversed their relative ranking.