Awka in context: Street-network sprawl trends

Awka in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
AwkaAnambra (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Awka plotted against Anambra and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Awka's incremental SNDi rose from 4.34 to 5.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Awka ranked 3rd out of 4 cities in Anambra and 309th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.52
Rank in Nigeria
319th of 422
Rank in Anambra
3rd of 4

Entire Network (Aggregate)

SNDi value
3.98
Rank in Nigeria
309th of 422
Rank in Anambra
3rd of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
AwkaCampecheZiguinchor

While Campeche and Ziguinchor both built increasingly disconnected streets over time, Awka fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Awka and Campeche have been growing further apart in their street-network character since 1975.