Aku in context: Street-network sprawl trends

Aku in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
AkuEnugu (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Aku plotted against Enugu and Nigeria. The SNDi of new construction in Aku rose steadily, compared to Enugu which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Aku's incremental SNDi rose from 3.94 to 3.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Aku ranked 1st out of 11 cities in Enugu and 124th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.99
Rank in Nigeria
189th of 422
Rank in Enugu
3rd of 11

Entire Network (Aggregate)

SNDi value
2.47
Rank in Nigeria
124th of 422
Rank in Enugu
1st of 11

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
AkuNaj al Shaykh Hasan Abu SabirKabanjahe

In new street additions, Aku and Naj al Shaykh Hasan Abu Sabir both built increasingly disconnected streets over time, while Kabanjahe fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.