Maringá in context: Street-network sprawl trends

Maringa in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
MaringaParana (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Maringá plotted against Paraná and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Maringá's incremental SNDi rose from 1.93 to 2.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Maringá ranked 4th out of 22 cities in Paraná and 94th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.37
Rank in Brazil
91st of 365
Rank in Paraná
3rd of 22

Entire Network (Aggregate)

SNDi value
1.84
Rank in Brazil
94th of 365
Rank in Paraná
4th of 22

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
MaringaWanzhouRyazan

In new street additions, Maringá fluctuated in its street-construction patterns, while Wanzhou built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Ryazan built increasingly disconnected streets over time. For the full network, Maringá and Ryazan both became progressively more disconnected, while Wanzhou became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.