Wanlaweyn in context: Street-network sprawl trends

Wanlaweyn in context

1.21.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.21.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
WanlaweynShabeellaha Hoose (Region)Somalia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wanlaweyn plotted against Shabeellaha Hoose and Somalia. The SNDi of new construction in Wanlaweyn rose steadily, compared to Shabeellaha Hoose which followed a zig-zag trend with an overall increase and Somalia which followed a zig-zag trend with an overall increase. Most recently, Wanlaweyn's incremental SNDi rose from 1.96 to 2.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wanlaweyn ranked 5th out of 8 cities in Shabeellaha Hoose and 18th out of 39 in Somalia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.79
Rank in Somalia
29th of 39
Rank in Shabeellaha Hoose
6th of 8

Entire Network (Aggregate)

SNDi value
1.57
Rank in Somalia
18th of 39
Rank in Shabeellaha Hoose
5th of 8

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
WanlaweynUdaipurBalneario Camboriu

Wanlaweyn, Udaipur, and Balneário Camboriú all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Wanlaweyn and Balneário Camboriú have been growing further apart in their street-network character since 1975.