Banki in context: Street-network sprawl trends

Banki in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
BankiBorno (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Banki plotted against Borno and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Banki's incremental SNDi rose from 0.98 to 1.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Banki ranked 3rd out of 16 cities in Borno and 12th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
1.43
Rank in Nigeria
19th of 422
Rank in Borno
1st of 16

Entire Network (Aggregate)

SNDi value
1.2
Rank in Nigeria
12th of 422
Rank in Borno
3rd of 16

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

What about similarly populated cities?

036912<19751976–19901991–20052006–2020SNDi of street additions
036912<19751976–19901991–20052006–2020SNDi of entire street network
BankiAnghapurFengyang

In new street additions, Banki and Fengyang both fluctuated in its street-construction patterns, while Anghapur built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Banki fluctuated in connectivity, while Anghapur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Fengyang grew more disconnected from 1975 through 1976-1990, then improved. Banki and Anghapur have been converging in their street-network character since 1975.