Kasama in context: Street-network sprawl trends

Kasama in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
KasamaNorthern (Region)Zambia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kasama plotted against Northern and Zambia. While Northern and Zambia both rose steadily, Kasama's new street additions rose steadily. Most recently, Kasama's incremental SNDi rose from 2.56 to 3.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kasama ranked 3rd out of 3 cities in Northern and 18th out of 30 in Zambia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.64
Rank in Zambia
16th of 30
Rank in Northern
2nd of 3

Entire Network (Aggregate)

SNDi value
2.59
Rank in Zambia
18th of 30
Rank in Northern
3rd of 3

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
KasamaSouk AhrasAntioch

In new street additions, Kasama built increasingly disconnected streets over time, while Souk Ahras fluctuated in its street-construction patterns and Antioch built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Kasama and Souk Ahras have been growing further apart in their street-network character since 1975.