Botshabelo-N in context: Street-network sprawl trends

Botshabelo-N 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
Botshabelo-NFree State (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Botshabelo-N plotted against Free State and South Africa. The SNDi of new construction in Botshabelo-N peaked in 1991-2005, compared to Free State which peaked in 1976-1990 and South Africa which rose steadily. Most recently, Botshabelo-N's incremental SNDi fell from 3.51 to 3.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Botshabelo-N ranked 6th out of 8 cities in Free State and 43rd out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
3.12
Rank in South Africa
21st of 81
Rank in Free State
5th of 8

Entire Network (Aggregate)

SNDi value
3.23
Rank in South Africa
43rd of 81
Rank in Free State
6th of 8

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
Botshabelo-NGuangdeCharbagh

While Guangde and Charbagh both fluctuated in its street-construction patterns, Botshabelo-N built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Botshabelo-N grew more disconnected from 1975 through 1991-2005, then improved, while Guangde fluctuated in connectivity and Charbagh became progressively more connected. Botshabelo-N and Guangde have been growing further apart in their street-network character since 1975.