Dikwa in context: Street-network sprawl trends

Dikwa in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
DikwaBorno (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dikwa plotted against Borno and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dikwa's incremental SNDi rose from 1.96 to 2.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dikwa ranked 9th out of 16 cities in Borno and 69th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.57
Rank in Nigeria
84th of 422
Rank in Borno
9th of 16

Entire Network (Aggregate)

SNDi value
1.91
Rank in Nigeria
69th of 422
Rank in Borno
9th of 16

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
DikwaLezhiMadhupur

In new street additions, Dikwa and Lezhi both fluctuated in its street-construction patterns, while Madhupur built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Dikwa and Madhupur both became progressively more disconnected, while Lezhi grew more disconnected from 1975 through 1976-1990, then improved. Dikwa and Madhupur have been growing further apart in their street-network character since 1975.