Nassarawan Eggon in context: Street-network sprawl trends

Nassarawan Eggon in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Nassarawan EggonNasarawa (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nassarawan Eggon plotted against Nasarawa and Nigeria. The SNDi of new construction in Nassarawan Eggon was at its lowest in 1976-1990, compared to Nasarawa which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Nassarawan Eggon's incremental SNDi rose from 2.41 to 2.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nassarawan Eggon ranked 2nd out of 7 cities in Nasarawa and 120th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.67
Rank in Nigeria
89th of 422
Rank in Nasarawa
1st of 7

Entire Network (Aggregate)

SNDi value
2.44
Rank in Nigeria
120th of 422
Rank in Nasarawa
2nd of 7

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

What about similarly populated cities?

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
Nassarawan EggonMontepuezBam

In new street additions, Nassarawan Eggon and Bam both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Montepuez built increasingly disconnected streets over time. For the full network, Nassarawan Eggon became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Montepuez became progressively more disconnected and Bam became progressively more connected. Nassarawan Eggon and Montepuez have been converging in their street-network character since 1975.