Dengi in context: Street-network sprawl trends

Dengi in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
DengiPlateau (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dengi plotted against Plateau and Nigeria. The SNDi of new construction in Dengi peaked in 1991-2005, compared to Plateau which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Dengi's incremental SNDi fell from 2.05 to 1.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dengi ranked 2nd out of 8 cities in Plateau and 34th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
1.67
Rank in Nigeria
34th of 422
Rank in Plateau
3rd of 8

Entire Network (Aggregate)

SNDi value
1.58
Rank in Nigeria
34th of 422
Rank in Plateau
2nd of 8

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
DengiRohaKwail

In new street additions, Dengi built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Roha fluctuated in its street-construction patterns and Kwail fluctuated in its street-construction patterns. For the full network, Dengi became progressively more disconnected, while Roha fluctuated in connectivity and Kwail fluctuated in connectivity.