Barra do Corda in context: Street-network sprawl trends

Barra do Corda in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
Barra do CordaMaranhao (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Barra do Corda plotted against Maranhão and Brazil. The SNDi of new construction in Barra do Corda peaked in 1976-1990, compared to Maranhão which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Barra do Corda's incremental SNDi fell from 2.31 to 2.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Barra do Corda ranked 9th out of 11 cities in Maranhão and 200th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.24
Rank in Brazil
80th of 365
Rank in Maranhão
5th of 11

Entire Network (Aggregate)

SNDi value
2.43
Rank in Brazil
200th of 365
Rank in Maranhão
9th of 11

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Barra do CordaHell-VilleEl Mosha

In new street additions, Barra do Corda built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Hell-Ville built increasingly disconnected streets over time and El Mosha fluctuated in its street-construction patterns. For the full network, Barra do Corda grew more disconnected from 1975 through 1976-1990, then improved, while Hell-Ville became progressively more disconnected and El Mosha fluctuated in connectivity. Barra do Corda and Hell-Ville have been growing further apart in their street-network character since 1975.