Abaji in context: Street-network sprawl trends

Abaji in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
AbajiFederal Capital Territory (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Abaji plotted against Federal Capital Territory and Nigeria. The SNDi of new construction in Abaji was at its lowest in 1976-1990, compared to Federal Capital Territory which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Abaji's incremental SNDi rose from 3.26 to 4.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Abaji ranked 1st out of 7 cities in Federal Capital Territory and 222nd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.14
Rank in Nigeria
203rd of 422
Rank in Federal Capital Territory
2nd of 7

Entire Network (Aggregate)

SNDi value
3.31
Rank in Nigeria
222nd of 422
Rank in Federal Capital Territory
1st of 7

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

What about similarly populated cities?

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
AbajiSela KuiChawinda

In new street additions, Abaji and Sela Kui both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Chawinda built increasingly disconnected streets over time. For the full network, Abaji and Sela Kui both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Chawinda became progressively more disconnected. Abaji and Chawinda have been growing further apart in their street-network character since 1975.