Adaba in context: Street-network sprawl trends

Adaba 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
AdabaOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Adaba plotted against Oromia and Ethiopia. The SNDi of new construction in Adaba rose steadily, compared to Oromia which followed a zig-zag trend with an overall increase and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Adaba's incremental SNDi rose from 2.07 to 4.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Adaba ranked 12th out of 71 cities in Oromia and 35th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.09
Rank in Ethiopia
121st of 181
Rank in Oromia
48th of 71

Entire Network (Aggregate)

SNDi value
1.9
Rank in Ethiopia
35th of 181
Rank in Oromia
12th of 71

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
AdabaMinbyaMontgomery

In new street additions, Adaba and Montgomery both built increasingly disconnected streets over time, while Minbya fluctuated in its street-construction patterns. For the full network, Adaba and Montgomery both became progressively more disconnected, while Minbya fluctuated in connectivity.