Balsas in context: Street-network sprawl trends

Balsas 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
BalsasMaranhao (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Balsas plotted against Maranhão and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Balsas's incremental SNDi rose from 1.33 to 1.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Balsas ranked 1st out of 11 cities in Maranhão and 33rd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
1.62
Rank in Brazil
14th of 365
Rank in Maranhão
1st of 11

Entire Network (Aggregate)

SNDi value
1.5
Rank in Brazil
33rd of 365
Rank in Maranhão
1st of 11

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
BalsasQa`malLianping

In new street additions, Balsas and Lianping both fluctuated in its street-construction patterns, while Qa`mal built increasingly disconnected streets over time. For the full network, Balsas and Lianping both fluctuated in connectivity, while Qa`mal became progressively more disconnected. Balsas and Qa`mal have been growing further apart in their street-network character since 1975.