Banfora in context: Street-network sprawl trends

Banfora in context

1.21.51.82.1<19751976–19901991–20052006–2020SNDi of street additions
1.21.51.82.1<19751976–19901991–20052006–2020SNDi of entire street network
BanforaCascades (Region)Burkina Faso (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Banfora plotted against Cascades and Burkina Faso. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Banfora's incremental SNDi rose from 1.53 to 1.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Banfora ranked 2nd out of 2 cities in Cascades and 6th out of 19 in Burkina Faso as of 2020.

New Street Additions (2006–2020)

SNDi value
1.83
Rank in Burkina Faso
5th of 19
Rank in Cascades
2nd of 2

Entire Network (Aggregate)

SNDi value
1.6
Rank in Burkina Faso
6th of 19
Rank in Cascades
2nd of 2

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
BanforaRasonHomestead

In new street additions, Banfora fluctuated in its street-construction patterns, while Rason built increasingly disconnected streets from 1975 through 1991-2005, then improved and Homestead built increasingly disconnected streets over time. For the full network, Banfora fluctuated in connectivity, while Rason grew more disconnected from 1975 through 1991-2005, then improved and Homestead became progressively more disconnected. Banfora and Rason have been growing further apart in their street-network character since 1975.