Cacoal in context: Street-network sprawl trends

Cacoal 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
CacoalRondonia (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cacoal plotted against Rondônia and Brazil. The SNDi of new construction in Cacoal peaked in 1991-2005, compared to Rondônia which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Cacoal's incremental SNDi fell from 2.68 to 2.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cacoal ranked 2nd out of 5 cities in Rondônia and 95th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.15
Rank in Brazil
71st of 365
Rank in Rondônia
3rd of 5

Entire Network (Aggregate)

SNDi value
1.84
Rank in Brazil
95th of 365
Rank in Rondônia
2nd of 5

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

What about similarly populated cities?

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
CacoalManwatKsar Chellala

In new street additions, Cacoal built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Manwat built increasingly disconnected streets over time and Ksar Chellala fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.