Ankoro in context: Street-network sprawl trends

Ankoro 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
AnkoroTanganyika (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 Ankoro plotted against Tanganyika and Democratic Republic of the Congo. While Tanganyika and Democratic Republic of the Congo both followed a zig-zag trend with an overall increase, Ankoro's new street additions followed a zig-zag trend with an overall increase. Most recently, Ankoro's incremental SNDi rose from 1.75 to 3.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ankoro ranked 6th out of 10 cities in Tanganyika and 94th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
3.55
Rank in Democratic Republic of the Congo
69th of 186
Rank in Tanganyika
7th of 10

Entire Network (Aggregate)

SNDi value
3.15
Rank in Democratic Republic of the Congo
94th of 186
Rank in Tanganyika
6th of 10

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
AnkoroObiarukuKhalifa City

In new street additions, Ankoro fluctuated in its street-construction patterns, while Obiaruku built increasingly disconnected streets over time and Khalifa City built increasingly connected streets over time. For the full network, Ankoro fluctuated in connectivity, while Obiaruku became progressively more disconnected and Khalifa City became progressively more connected. Notably, Ankoro had a more connected network than Obiaruku in 1975 but the two have since reversed their relative ranking.