Dakri in context: Street-network sprawl trends

Dakri in context

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
DakriAdamawa (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dakri plotted against Adamawa and Nigeria. The SNDi of new construction in Dakri was at its lowest in 1991-2005, compared to Adamawa which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Dakri's incremental SNDi rose from 2.78 to 3.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dakri ranked 8th out of 11 cities in Adamawa and 187th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.32
Rank in Nigeria
131st of 422
Rank in Adamawa
5th of 11

Entire Network (Aggregate)

SNDi value
3.02
Rank in Nigeria
187th of 422
Rank in Adamawa
8th of 11

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
DakriTaishunOss

In new street additions, Dakri built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Taishun built increasingly disconnected streets from 1975 through 1991-2005, then improved and Oss fluctuated in its street-construction patterns. For the full network, Dakri became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Taishun grew more disconnected from 1975 through 1991-2005, then improved and Oss became progressively more disconnected. Dakri and Taishun have been converging in their street-network character since 1975.