Modderspruit in context: Street-network sprawl trends

Modderspruit in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
ModderspruitNorth West (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Modderspruit plotted against North West and South Africa. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Modderspruit's incremental SNDi rose from 4.42 to 5.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Modderspruit ranked 8th out of 9 cities in North West and 67th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
5.5
Rank in South Africa
66th of 81
Rank in North West
7th of 9

Entire Network (Aggregate)

SNDi value
4.34
Rank in South Africa
67th of 81
Rank in North West
8th 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
ModderspruitBangorCerro de Pasco

In new street additions, Modderspruit built increasingly disconnected streets over time, while Bangor built increasingly disconnected streets from 1975 through 1991-2005, then improved and Cerro de Pasco fluctuated in its street-construction patterns. For the full network, Modderspruit and Bangor both became progressively more disconnected, while Cerro de Pasco fluctuated in connectivity. Modderspruit and Cerro de Pasco have been growing further apart in their street-network character since 1975.