Porto Velho in context: Street-network sprawl trends

Porto Velho in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
Porto VelhoRondonia (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Porto Velho plotted against Rondônia and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Porto Velho's incremental SNDi rose from 3.37 to 3.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Porto Velho ranked 5th out of 5 cities in Rondônia and 207th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.92
Rank in Brazil
242nd of 365
Rank in Rondônia
5th of 5

Entire Network (Aggregate)

SNDi value
2.47
Rank in Brazil
207th of 365
Rank in Rondônia
5th of 5

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
Porto VelhoCumanaAl-Kut

In new street additions, Porto Velho and Cumana both fluctuated in its street-construction patterns, while Al-Kut built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Porto Velho and Cumana have been growing further apart in their street-network character since 1975.