Aliade in context: Street-network sprawl trends

Aliade in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
AliadeBenue (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Aliade plotted against Benue and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Aliade's incremental SNDi rose from 1.66 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Aliade ranked 2nd out of 13 cities in Benue and 44th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.95
Rank in Nigeria
106th of 422
Rank in Benue
4th of 13

Entire Network (Aggregate)

SNDi value
1.71
Rank in Nigeria
44th of 422
Rank in Benue
2nd of 13

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
AliadeAin ToutaGannaur

In new street additions, Aliade fluctuated in its street-construction patterns, while Aïn Touta built increasingly disconnected streets over time and Gannaur built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Aliade fluctuated in connectivity, while Aïn Touta became progressively more disconnected and Gannaur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Aliade had a more connected network than Aïn Touta in 1975 but the two have since reversed their relative ranking.