Itaperuna in context: Street-network sprawl trends

Itaperuna 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
ItaperunaRio de Janeiro (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Itaperuna plotted against Rio de Janeiro and Brazil. The SNDi of new construction in Itaperuna 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, Itaperuna's incremental SNDi rose from 3.0 to 3.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Itaperuna ranked 4th out of 22 cities in Rio de Janeiro and 238th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.16
Rank in Brazil
174th of 365
Rank in Rio de Janeiro
1st of 22

Entire Network (Aggregate)

SNDi value
2.72
Rank in Brazil
238th of 365
Rank in Rio de Janeiro
4th of 22

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
ItaperunaJamaariMecheria

In new street additions, Jamaari and Mecheria both fluctuated in street-construction patterns, while Itaperuna built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.