Luanshya in context: Street-network sprawl trends

Luanshya 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
LuanshyaCopperbelt (Region)Zambia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luanshya plotted against Copperbelt and Zambia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Luanshya's incremental SNDi rose from 2.77 to 4.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luanshya ranked 3rd out of 7 cities in Copperbelt and 12th out of 30 in Zambia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.19
Rank in Zambia
21st of 30
Rank in Copperbelt
4th of 7

Entire Network (Aggregate)

SNDi value
2.34
Rank in Zambia
12th of 30
Rank in Copperbelt
3rd of 7

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
LuanshyaMarigaonGudalur

Luanshya, Marigaon, and Gudalur all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Luanshya and Gudalur have been growing further apart in their street-network character since 1975.