Harare in context: Street-network sprawl trends

Harare in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
HarareZimbabwe (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Harare plotted against Zimbabwe. Both Harare and Zimbabwe follow the same trend. Most recently, Harare's incremental SNDi rose from 4.28 to 4.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Harare ranked 12th out of 14 in Zimbabwe as of 2020.

New Street Additions (2006–2020)

SNDi value
4.72
Rank in Zimbabwe
13th of 14

Entire Network (Aggregate)

SNDi value
3.68
Rank in Zimbabwe
12th of 14

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
HarareBrazzavilleLudhiana

In new street additions, Harare and Ludhiana both built increasingly disconnected streets over time, while Brazzaville built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Harare and Brazzaville have been converging in their street-network character since 1975.