Mpika in context: Street-network sprawl trends

Mpika 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
MpikaMuchinga (Region)Zambia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mpika plotted against Muchinga and Zambia. The SNDi of new construction in Mpika followed a zig-zag trend with an overall increase, compared to Muchinga which rose steadily and Zambia which rose steadily. Most recently, Mpika's incremental SNDi rose from 2.3 to 2.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mpika ranked 2nd out of 2 cities in Muchinga and 9th out of 30 in Zambia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.56
Rank in Zambia
10th of 30
Rank in Muchinga
2nd of 2

Entire Network (Aggregate)

SNDi value
2.24
Rank in Zambia
9th of 30
Rank in Muchinga
2nd of 2

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
MpikaOkpoghoDarou Mousty

In new street additions, Mpika fluctuated in its street-construction patterns, while Okpogho built increasingly disconnected streets from 1975 through 1991-2005, then improved and Darou Mousty built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.