Nassarawa in context: Street-network sprawl trends

Nassarawa in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
NassarawaNasarawa (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nassarawa plotted against Nasarawa and Nigeria. While Nasarawa and Nigeria both followed a zig-zag trend with an overall increase, Nassarawa's new street additions followed a zig-zag trend with an overall increase. Most recently, Nassarawa's incremental SNDi rose from 2.69 to 3.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nassarawa ranked 3rd out of 7 cities in Nasarawa and 177th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.49
Rank in Nigeria
146th of 422
Rank in Nasarawa
3rd of 7

Entire Network (Aggregate)

SNDi value
2.91
Rank in Nigeria
177th of 422
Rank in Nasarawa
3rd of 7

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
NassarawaLuoning CountySigmo

In new street additions, Nassarawa fluctuated in its street-construction patterns, while Luoning County built increasingly disconnected streets from 1975 through 1991-2005, then improved and Sigmo built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Nassarawa became progressively more disconnected, while Luoning County grew more disconnected from 1975 through 1991-2005, then improved and Sigmo became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Nassarawa had a more sprawly network than Luoning County in 1975 but the two have since reversed their relative ranking.