Agaie in context: Street-network sprawl trends

Agaie in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
AgaieNiger (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Agaie plotted against Niger and Nigeria. The SNDi of new construction in Agaie was at its lowest in 1991-2005, compared to Niger which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Agaie's incremental SNDi rose from 1.67 to 2.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Agaie ranked 2nd out of 13 cities in Niger and 81st out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.46
Rank in Nigeria
75th of 422
Rank in Niger
4th of 13

Entire Network (Aggregate)

SNDi value
2.06
Rank in Nigeria
81st of 422
Rank in Niger
2nd of 13

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AgaieUpingtonPangkalan

While Upington and Pangkalan both fluctuated in its street-construction patterns, Agaie built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. For the full network, Agaie became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Upington grew more disconnected from 1975 through 1976-1990, then improved and Pangkalan fluctuated in connectivity.