Birnin Kebbi in context: Street-network sprawl trends

Birnin Kebbi 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
Birnin KebbiKebbi (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Birnin Kebbi plotted against Kebbi and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Birnin Kebbi's incremental SNDi rose from 2.11 to 2.51 between 1991-2005 and 2006-2020. In terms of the aggregate network, Birnin Kebbi ranked 9th out of 12 cities in Kebbi and 104th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.51
Rank in Nigeria
78th of 422
Rank in Kebbi
7th of 12

Entire Network (Aggregate)

SNDi value
2.33
Rank in Nigeria
104th of 422
Rank in Kebbi
9th of 12

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Birnin KebbiQufuPangkalpinang

While Qufu and Pangkalpinang both built increasingly disconnected streets over time, Birnin Kebbi fluctuated in its street-construction patterns in new street additions. Looking at the full network, Qufu and Pangkalpinang both became progressively more disconnected, while Birnin Kebbi fluctuated in connectivity. Birnin Kebbi and Qufu have been growing further apart in their street-network character since 1975.