Mansa in context: Street-network sprawl trends

Mansa in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
MansaLuapula (Region)Zambia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mansa plotted against Luapula and Zambia. The SNDi of new construction in Mansa followed a zig-zag trend with an overall increase, compared to Luapula which was at its lowest in 1976-1990 and Zambia which rose steadily. Most recently, Mansa's incremental SNDi rose from 2.85 to 5.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mansa ranked 2nd out of 2 cities in Luapula and 22nd out of 30 in Zambia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.72
Rank in Zambia
28th of 30
Rank in Luapula
2nd of 2

Entire Network (Aggregate)

SNDi value
2.97
Rank in Zambia
22nd of 30
Rank in Luapula
2nd of 2

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
MansaNizhnevartovskMian Channu

In new street additions, Mansa and Nizhnevartovsk both fluctuated in its street-construction patterns, while Mian Channu built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Notably, Mansa had a more sprawly network than Mian Channu in 1975 but the two have since reversed their relative ranking.