Zomba in context: Street-network sprawl trends

Zomba in context

3.23.64<19751976–19901991–20052006–2020SNDi of street additions
3.23.64<19751976–19901991–20052006–2020SNDi of entire street network
ZombaMalawi (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zomba plotted against Malawi. Both Zomba and Malawi follow the same trend. Most recently, Zomba's incremental SNDi rose from 4.13 to 4.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zomba ranked 7th out of 8 in Malawi as of 2020.

New Street Additions (2006–2020)

SNDi value
4.19
Rank in Malawi
7th of 8

Entire Network (Aggregate)

SNDi value
3.64
Rank in Malawi
7th of 8

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
ZombaLelystadArcoverde

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