Mohlakeng in context: Street-network sprawl trends

Mohlakeng in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
MohlakengGauteng (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mohlakeng plotted against Gauteng and South Africa. The SNDi of new construction in Mohlakeng followed a zig-zag trend with an overall increase, compared to Gauteng which peaked in 1991-2005 and South Africa which rose steadily. Most recently, Mohlakeng's incremental SNDi rose from 2.32 to 3.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mohlakeng ranked 1st out of 14 cities in Gauteng and 17th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
3.22
Rank in South Africa
25th of 81
Rank in Gauteng
2nd of 14

Entire Network (Aggregate)

SNDi value
2.61
Rank in South Africa
17th of 81
Rank in Gauteng
1st of 14

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

What about similarly populated cities?

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
MohlakengMamarkhaAl Khor

In new street additions, Mohlakeng fluctuated in its street-construction patterns, while Mamarkha built increasingly disconnected streets from 1975 through 1991-2005, then improved and Al Khor fluctuated in its street-construction patterns. For the full network, Mohlakeng fluctuated in connectivity, while Mamarkha grew more disconnected from 1975 through 1991-2005, then improved and Al Khor became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.