Uba in context: Street-network sprawl trends

Uba in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
UbaBorno (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Uba plotted against Borno and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Uba's incremental SNDi rose from 2.12 to 2.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Uba ranked 15th out of 16 cities in Borno and 126th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.88
Rank in Nigeria
104th of 422
Rank in Borno
10th of 16

Entire Network (Aggregate)

SNDi value
2.48
Rank in Nigeria
126th of 422
Rank in Borno
15th of 16

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
UbaTulaWutai

In new street additions, Uba fluctuated in its street-construction patterns, while Tula built increasingly disconnected streets over time and Wutai fluctuated in its street-construction patterns. For the full network, Uba fluctuated in connectivity, while Tula became progressively more disconnected and Wutai fluctuated in connectivity. Uba and Wutai have been converging in their street-network character since 1975.