Curitiba in context: Street-network sprawl trends

Curitiba in context

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
CuritibaParana (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Curitiba plotted against Paraná and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Curitiba's incremental SNDi rose from 3.82 to 4.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Curitiba ranked 16th out of 22 cities in Paraná and 261st out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.5
Rank in Brazil
289th of 365
Rank in Paraná
19th of 22

Entire Network (Aggregate)

SNDi value
2.9
Rank in Brazil
261st of 365
Rank in Paraná
16th of 22

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
CuritibaMaharajganjCali

In new street additions, Curitiba and Cali both fluctuated in its street-construction patterns, while Maharajganj fluctuated in its street-construction patterns. For the full network, Curitiba and Cali both became progressively more disconnected, while Maharajganj became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.