Gimbichu in context: Street-network sprawl trends

Gimbichu in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
GimbichuSouthern Nations, Nationalities (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gimbichu plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Gimbichu rose steadily, compared to Southern Nations, Nationalities which followed a zig-zag trend with an overall increase and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Gimbichu's incremental SNDi rose from 1.9 to 4.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gimbichu ranked 28th out of 39 cities in Southern Nations, Nationalities and 114th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.36
Rank in Ethiopia
128th of 181
Rank in Southern Nations, Nationalities
30th of 39

Entire Network (Aggregate)

SNDi value
2.83
Rank in Ethiopia
114th of 181
Rank in Southern Nations, Nationalities
28th of 39

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
GimbichuZango BichiLuwuk

In new street additions, Gimbichu and Luwuk both built increasingly disconnected streets over time, while Zango Bichi fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Gimbichu and Zango Bichi have been growing further apart in their street-network character since 1975.