Gboko in context: Street-network sprawl trends

Gboko in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
GbokoBenue (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gboko plotted against Benue and Nigeria. The SNDi of new construction in Gboko rose steadily, compared to Benue which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Gboko's incremental SNDi rose from 4.35 to 4.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gboko ranked 10th out of 13 cities in Benue and 219th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.68
Rank in Nigeria
248th of 422
Rank in Benue
9th of 13

Entire Network (Aggregate)

SNDi value
3.27
Rank in Nigeria
219th of 422
Rank in Benue
10th of 13

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
GbokoChangpingAsaba

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