Jerusalem in context: Street-network sprawl trends

Jerusalem in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
JerusalemMpumalanga (Region)South Africa (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jerusalem plotted against Mpumalanga and South Africa. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Jerusalem's incremental SNDi rose from 3.4 to 4.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jerusalem ranked 9th out of 13 cities in Mpumalanga and 49th out of 81 in South Africa as of 2020.

New Street Additions (2006–2020)

SNDi value
4.64
Rank in South Africa
59th of 81
Rank in Mpumalanga
11th of 13

Entire Network (Aggregate)

SNDi value
3.42
Rank in South Africa
49th of 81
Rank in Mpumalanga
9th of 13

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
JerusalemNichlaulReyhanli

In new street additions, Jerusalem built increasingly disconnected streets over time, while Nichlaul fluctuated in its street-construction patterns and Reyhanlı fluctuated in its street-construction patterns. For the full network, Jerusalem and Reyhanlı both became progressively more disconnected, while Nichlaul fluctuated in connectivity. Jerusalem and Nichlaul have been growing further apart in their street-network character since 1975.