Sandoa in context: Street-network sprawl trends

Sandoa 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
SandoaLualaba (Region)Democratic Republic of the Congo (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sandoa plotted against Lualaba and Democratic Republic of the Congo. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sandoa's incremental SNDi rose from 2.12 to 4.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sandoa ranked 3rd out of 11 cities in Lualaba and 38th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
4.17
Rank in Democratic Republic of the Congo
93rd of 186
Rank in Lualaba
8th of 11

Entire Network (Aggregate)

SNDi value
2.23
Rank in Democratic Republic of the Congo
38th of 186
Rank in Lualaba
3rd of 11

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
SandoaZhengyangTaourirt

Sandoa, Zhengyang, and Taourirt all fluctuated in its street-construction patterns in new street construction. For the full network, Sandoa fluctuated in connectivity, while Zhengyang became progressively more disconnected and Taourirt grew more disconnected from 1975 through 1976-1990, then improved. Sandoa and Zhengyang have been growing further apart in their street-network character since 1975.