Mbandaka in context: Street-network sprawl trends

Mbandaka in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
MbandakaEquateur (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 Mbandaka plotted against Équateur and Democratic Republic of the Congo. The SNDi of new construction in Mbandaka rose steadily, compared to Équateur which rose steadily and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Mbandaka's incremental SNDi rose from 2.69 to 3.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mbandaka ranked 2nd out of 4 cities in Équateur and 46th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
3.72
Rank in Democratic Republic of the Congo
78th of 186
Rank in Équateur
3rd of 4

Entire Network (Aggregate)

SNDi value
2.3
Rank in Democratic Republic of the Congo
46th of 186
Rank in Équateur
2nd of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
MbandakaCharsaddaStockton

In new street additions, Mbandaka built increasingly disconnected streets over time, while Charsadda fluctuated in its street-construction patterns and Stockton built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.