Lemba Village in context: Street-network sprawl trends

Lemba Village in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Lemba VillageKongo-Central (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 Lemba Village plotted against Kongo-Central and Democratic Republic of the Congo. While Kongo-Central and Democratic Republic of the Congo both followed a zig-zag trend with an overall increase, Lemba Village's new street additions followed a zig-zag trend with an overall increase. Most recently, Lemba Village's incremental SNDi rose from 2.74 to 3.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lemba Village ranked 9th out of 15 cities in Kongo-Central and 108th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
3.76
Rank in Democratic Republic of the Congo
82nd of 186
Rank in Kongo-Central
7th of 15

Entire Network (Aggregate)

SNDi value
3.49
Rank in Democratic Republic of the Congo
108th of 186
Rank in Kongo-Central
9th of 15

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Lemba VillageLindianKonye-Urgench

In new street additions, Lemba Village and Lindian both fluctuated in its street-construction patterns, while Konye-Urgench built increasingly disconnected streets over time. Looking at the full network, Lindian and Konye-Urgench both became progressively more disconnected, while Lemba Village fluctuated in connectivity. Notably, Lemba Village had a more connected network than Konye-Urgench in 1975 but the two have since reversed their relative ranking.