Abuja in context: Street-network sprawl trends

Abuja in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
AbujaFederal Capital Territory (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Abuja plotted against Federal Capital Territory and Nigeria. The SNDi of new construction in Abuja rose steadily, compared to Federal Capital Territory which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Abuja's incremental SNDi rose from 5.62 to 5.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Abuja ranked 5th out of 7 cities in Federal Capital Territory and 391st out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.83
Rank in Nigeria
338th of 422
Rank in Federal Capital Territory
5th of 7

Entire Network (Aggregate)

SNDi value
5.62
Rank in Nigeria
391st of 422
Rank in Federal Capital Territory
5th of 7

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
AbujaMangaluruBujumbura

Abuja, Mangaluru, and Bujumbura all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network.