Uitkomsdal in context: Street-network sprawl trends

Uitkomsdal in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
UitkomsdalNorth West (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Uitkomsdal plotted against North West and South Africa. The SNDi of new construction in Uitkomsdal peaked in 1991-2005, compared to North West which rose steadily and South Africa which rose steadily. Most recently, Uitkomsdal's incremental SNDi fell from 2.5 to 1.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Uitkomsdal ranked 1st out of 9 cities in North West and 5th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
1.94
Rank in South Africa
3rd of 81
Rank in North West
1st of 9

Entire Network (Aggregate)

SNDi value
2.23
Rank in South Africa
5th of 81
Rank in North West
1st of 9

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
UitkomsdalSardhanaAtarra Buzurg

Uitkomsdal, Sardhana, and Atarra Buzurg all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. For the full network, Uitkomsdal and Sardhana both grew more disconnected from 1975 through 1991-2005, then improved, while Atarra Buzurg fluctuated in connectivity. Uitkomsdal and Sardhana have been growing further apart in their street-network character since 1975.