Yenagoa in context: Street-network sprawl trends

Yenagoa in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
YenagoaBayelsa (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yenagoa plotted against Bayelsa and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Yenagoa's incremental SNDi rose from 3.94 to 5.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yenagoa ranked 4th out of 6 cities in Bayelsa and 373rd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.31
Rank in Nigeria
296th of 422
Rank in Bayelsa
3rd of 6

Entire Network (Aggregate)

SNDi value
4.97
Rank in Nigeria
373rd of 422
Rank in Bayelsa
4th of 6

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

What about similarly populated cities?

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
YenagoaKhan YunisHapur

In new street additions, Yenagoa fluctuated in its street-construction patterns, while Khan Yunis fluctuated in its street-construction patterns and Hapur built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Yenagoa became progressively more disconnected, while Khan Yunis fluctuated in connectivity and Hapur grew more disconnected from 1975 through 1991-2005, then improved. Notably, Yenagoa had a more connected network than Hapur in 1975 but the two have since reversed their relative ranking.