New Bussa in context: Street-network sprawl trends

New Bussa in context

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
New BussaNiger (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with New Bussa plotted against Niger and Nigeria. The SNDi of new construction in New Bussa rose steadily, 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, New Bussa's incremental SNDi rose from 2.37 to 3.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, New Bussa ranked 6th out of 13 cities in Niger and 129th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.35
Rank in Nigeria
133rd of 422
Rank in Niger
9th of 13

Entire Network (Aggregate)

SNDi value
2.5
Rank in Nigeria
129th of 422
Rank in Niger
6th of 13

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
New BussaPunganuruYatsushiro

In new street additions, New Bussa built increasingly disconnected streets over time, while Punganuru fluctuated in its street-construction patterns and Yatsushiro built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, New Bussa became progressively more disconnected, while Punganuru fluctuated in connectivity and Yatsushiro grew more disconnected from 1975 through 1976-1990, then improved. Notably, New Bussa had a more connected network than Yatsushiro in 1975 but the two have since reversed their relative ranking.