Khutsong in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Khutsong plotted against Gauteng and South Africa. While Gauteng and South Africa both rose steadily, Khutsong's new street additions rose steadily. Most recently, Khutsong's incremental SNDi rose from 3.29 to 4.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Khutsong ranked 5th out of 14 cities in Gauteng and 32nd out of 81 in South Africa as of 2020.

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

What about similarly populated cities?

• Neuwied, Germany
• Nahavand, Iran
• Lingshou, China
• Kyongsong, North Korea
• Yihuang, China
• Neumünster, Germany

In new street additions, Khutsong built increasingly disconnected streets over time, while Neuwied fluctuated in its street-construction patterns and Kyongsong built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Khutsong and Neuwied both became progressively more disconnected, while Kyongsong grew more disconnected from 1975 through 1991-2005, then improved. Khutsong and Neuwied have been converging in their street-network character since 1975.