Niterói in context: Street-network sprawl trends

Niteroi in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
NiteroiRio de Janeiro (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Niterói plotted against Rio de Janeiro and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Niterói's incremental SNDi rose from 4.21 to 6.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Niterói ranked 14th out of 22 cities in Rio de Janeiro and 334th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
6.41
Rank in Brazil
347th of 365
Rank in Rio de Janeiro
14th of 22

Entire Network (Aggregate)

SNDi value
3.88
Rank in Brazil
334th of 365
Rank in Rio de Janeiro
14th of 22

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
NiteroiCampinasPortland

In new street additions, Niterói fluctuated in its street-construction patterns, while Campinas built increasingly disconnected streets over time and Portland built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend.