Leku in context: Street-network sprawl trends

Leku in context

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
LekuSouthern Nations, Nationalities (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Leku plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Leku 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, Leku's incremental SNDi rose from 1.99 to 3.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Leku ranked 10th out of 39 cities in Southern Nations, Nationalities and 36th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.19
Rank in Ethiopia
82nd of 181
Rank in Southern Nations, Nationalities
22nd of 39

Entire Network (Aggregate)

SNDi value
1.91
Rank in Ethiopia
36th of 181
Rank in Southern Nations, Nationalities
10th of 39

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
LekuKoboRunan

In new street additions, Leku and Runan both built increasingly disconnected streets over time, while Kobo fluctuated in its street-construction patterns. For the full network, Leku and Kobo both became progressively more disconnected, while Runan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Leku had a more connected network than Kobo in 1975 but the two have since reversed their relative ranking.