Açailândia in context: Street-network sprawl trends

Acailandia in context

1.82.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
AcailandiaMaranhao (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Açailândia plotted against Maranhão and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Açailândia's incremental SNDi rose from 2.03 to 2.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Açailândia ranked 5th out of 11 cities in Maranhão and 146th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.21
Rank in Brazil
75th of 365
Rank in Maranhão
4th of 11

Entire Network (Aggregate)

SNDi value
2.15
Rank in Brazil
146th of 365
Rank in Maranhão
5th of 11

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
AcailandiaNakholaYicheng

In new street additions, Açailândia fluctuated in its street-construction patterns, while Nakhola built increasingly disconnected streets from 1975 through 1991-2005, then improved and Yicheng built increasingly connected streets over time. For the full network, Açailândia fluctuated in connectivity, while Nakhola became progressively more disconnected and Yicheng became progressively more connected.