Phuthaditjhaba in context: Street-network sprawl trends

Phuthaditjhaba in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
PhuthaditjhabaFree State (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Phuthaditjhaba plotted against Free State and South Africa. The SNDi of new construction in Phuthaditjhaba followed a zig-zag trend with an overall decrease, compared to Free State which peaked in 1976-1990 and South Africa which rose steadily. Most recently, Phuthaditjhaba's incremental SNDi rose from 3.35 to 3.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Phuthaditjhaba ranked 8th out of 8 cities in Free State and 56th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
3.43
Rank in South Africa
33rd of 81
Rank in Free State
8th of 8

Entire Network (Aggregate)

SNDi value
3.68
Rank in South Africa
56th of 81
Rank in Free State
8th of 8

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
PhuthaditjhabaTarlac CityJuma

While Tarlac City and Juma both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Phuthaditjhaba fluctuated in its street-construction patterns in new street additions. Looking at the full network, Tarlac City and Juma both became progressively more disconnected, while Phuthaditjhaba grew more disconnected from 1975 through 1976-1990, then improved. Phuthaditjhaba and Tarlac City have been growing further apart in their street-network character since 1975.