Awgu in context: Street-network sprawl trends

Awgu 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
AwguEnugu (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Awgu plotted against Enugu and Nigeria. The SNDi of new construction in Awgu rose steadily, compared to Enugu which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Awgu's incremental SNDi rose from 4.27 to 4.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Awgu ranked 2nd out of 11 cities in Enugu and 201st out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.45
Rank in Nigeria
229th of 422
Rank in Enugu
4th of 11

Entire Network (Aggregate)

SNDi value
3.11
Rank in Nigeria
201st of 422
Rank in Enugu
2nd of 11

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
AwguKurganinskIbitinga

Awgu, Kurganinsk, and Ibitinga all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Awgu and Kurganinsk have been growing further apart in their street-network character since 1975.