Berbera in context: Street-network sprawl trends

Berbera in context

0.61.21.82.4<19751976–19901991–20052006–2020SNDi of street additions
0.61.21.82.4<19751976–19901991–20052006–2020SNDi of entire street network
BerberaWoqooyi Galbeed (Region)Somalia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Berbera plotted against Woqooyi Galbeed and Somalia. The SNDi of new construction in Berbera peaked in 1991-2005, compared to Woqooyi Galbeed which followed a zig-zag trend with an overall increase and Somalia which followed a zig-zag trend with an overall increase. Most recently, Berbera's incremental SNDi fell from 1.69 to 1.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Berbera ranked 2nd out of 3 cities in Woqooyi Galbeed and 5th out of 39 in Somalia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.6
Rank in Somalia
11th of 39
Rank in Woqooyi Galbeed
2nd of 3

Entire Network (Aggregate)

SNDi value
1.09
Rank in Somalia
5th of 39
Rank in Woqooyi Galbeed
2nd of 3

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
BerberaZhukovskyJuwana

While Zhukovsky and Juwana both built increasingly disconnected streets over time, Berbera built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend.