Kebri Beyah in context: Street-network sprawl trends

Kebri Beyah in context

01234<19751976–19901991–20052006–2020SNDi of street additions
01234<19751976–19901991–20052006–2020SNDi of entire street network
Kebri BeyahSomali (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kebri Beyah plotted against Somali and Ethiopia. The SNDi of new construction in Kebri Beyah rose steadily, compared to Somali which was at its lowest in 1991-2005 and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Kebri Beyah's incremental SNDi rose from 1.0 to 1.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kebri Beyah ranked 3rd out of 12 cities in Somali and 5th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.38
Rank in Ethiopia
5th of 181
Rank in Somali
4th of 12

Entire Network (Aggregate)

SNDi value
1.32
Rank in Ethiopia
5th of 181
Rank in Somali
3rd of 12

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
Kebri BeyahShibcharMardin

In new street additions, Kebri Beyah built increasingly disconnected streets over time, while Shibchar fluctuated in its street-construction patterns and Mardin built increasingly connected streets over time. For the full network, Kebri Beyah became progressively more disconnected, while Shibchar became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Mardin became progressively more connected. Kebri Beyah and Shibchar have been converging in their street-network character since 1975.