Zaki Biam in context: Street-network sprawl trends

Zaki Biam in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Zaki BiamBenue (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zaki Biam plotted against Benue and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Zaki Biam's incremental SNDi rose from 2.63 to 3.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zaki Biam ranked 8th out of 13 cities in Benue and 155th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.27
Rank in Nigeria
129th of 422
Rank in Benue
7th of 13

Entire Network (Aggregate)

SNDi value
2.74
Rank in Nigeria
155th of 422
Rank in Benue
8th of 13

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Zaki BiamKhaddaDeventer

In new street additions, Zaki Biam and Deventer both fluctuated in its street-construction patterns, while Khadda fluctuated in its street-construction patterns. For the full network, Zaki Biam and Deventer both became progressively more disconnected, while Khadda fluctuated in connectivity. Zaki Biam and Khadda have been converging in their street-network character since 1975.