Madadeni in context: Street-network sprawl trends

Madadeni in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
MadadeniKwaZulu-Natal (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Madadeni plotted against KwaZulu-Natal and South Africa. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Madadeni's incremental SNDi rose from 2.73 to 2.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Madadeni ranked 1st out of 8 cities in KwaZulu-Natal and 8th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
2.91
Rank in South Africa
17th of 81
Rank in KwaZulu-Natal
1st of 8

Entire Network (Aggregate)

SNDi value
2.45
Rank in South Africa
8th of 81
Rank in KwaZulu-Natal
1st of 8

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
MadadeniChangleLinqing

In new street additions, Madadeni built increasingly disconnected streets over time, while Changle built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Linqing built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Madadeni became progressively more disconnected, while Changle became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Linqing grew more disconnected from 1975 through 1991-2005, then improved. Madadeni and Changle have been converging in their street-network character since 1975.