Rio Branco in context: Street-network sprawl trends

Rio Branco 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
Rio BrancoAcre (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Rio Branco plotted against Acre and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Rio Branco's incremental SNDi rose from 3.82 to 4.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Rio Branco ranked 2nd out of 2 cities in Acre and 314th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.32
Rank in Brazil
275th of 365
Rank in Acre
2nd of 2

Entire Network (Aggregate)

SNDi value
3.56
Rank in Brazil
314th of 365
Rank in Acre
2nd of 2

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Rio BrancoModestoHafar Al-Batin

In new street additions, Rio Branco fluctuated in its street-construction patterns, while Modesto built increasingly disconnected streets from 1975 through 1991-2005, then improved and Hafar Al-Batin built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Rio Branco and Modesto have been growing further apart in their street-network character since 1975.