Seweding in context: Street-network sprawl trends

Seweding in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
SewedingNorth West (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Seweding 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, Seweding's incremental SNDi rose from 2.58 to 2.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Seweding ranked 2nd out of 9 cities in North West and 11th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
2.94
Rank in South Africa
18th of 81
Rank in North West
3rd of 9

Entire Network (Aggregate)

SNDi value
2.51
Rank in South Africa
11th of 81
Rank in North West
2nd of 9

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
SewedingSanshuiKaiyuan

While Sanshui and Kaiyuan both fluctuated in its street-construction patterns, Seweding built increasingly disconnected streets over time in new street additions. Looking at the full network, Sanshui and Kaiyuan both fluctuated in connectivity, while Seweding became progressively more disconnected. Seweding and Kaiyuan have been converging in their street-network character since 1975.