Chief Albert Luthuli Park in context: Street-network sprawl trends

Chief Albert Luthuli Park 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
Chief Albert Luthuli ParkGauteng (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chief Albert Luthuli Park plotted against Gauteng and South Africa. The SNDi of new construction in Chief Albert Luthuli Park peaked in 1976-1990, compared to Gauteng which peaked in 1991-2005 and South Africa which rose steadily. Most recently, Chief Albert Luthuli Park's incremental SNDi fell from 3.58 to 3.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chief Albert Luthuli Park ranked 9th out of 14 cities in Gauteng and 54th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
3.45
Rank in South Africa
35th of 81
Rank in Gauteng
6th of 14

Entire Network (Aggregate)

SNDi value
3.56
Rank in South Africa
54th of 81
Rank in Gauteng
9th of 14

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Chief Albert Luthuli ParkAuroraAl Wadi

In new street additions, Chief Albert Luthuli Park and Aurora both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Al Wadi fluctuated in its street-construction patterns. For the full network, Chief Albert Luthuli Park grew more disconnected from 1975 through 1976-1990, then improved, while Aurora became progressively more disconnected and Al Wadi fluctuated in connectivity. Chief Albert Luthuli Park and Aurora have been converging in their street-network character since 1975.