Ekangala in context: Street-network sprawl trends

Ekangala in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
EkangalaGauteng (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ekangala plotted against Gauteng and South Africa. The SNDi of new construction in Ekangala was at its lowest in 1976-1990, compared to Gauteng which peaked in 1991-2005 and South Africa which rose steadily. Most recently, Ekangala's incremental SNDi rose from 4.04 to 4.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ekangala ranked 11th out of 14 cities in Gauteng and 61st out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
4.07
Rank in South Africa
52nd of 81
Rank in Gauteng
9th of 14

Entire Network (Aggregate)

SNDi value
4.0
Rank in South Africa
61st of 81
Rank in Gauteng
11th of 14

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
EkangalaTombuaSapouy

In new street additions, Ekangala built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Tômbua fluctuated in its street-construction patterns and Sapouy fluctuated in its street-construction patterns. For the full network, Ekangala became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Tômbua became progressively more disconnected and Sapouy fluctuated in connectivity. Ekangala and Sapouy have been growing further apart in their street-network character since 1975.