Asassa in context: Street-network sprawl trends

Asassa 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
AsassaOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Asassa plotted against Oromia and Ethiopia. The SNDi of new construction in Asassa 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, Asassa's incremental SNDi rose from 1.61 to 2.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Asassa ranked 3rd out of 71 cities in Oromia and 13th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.15
Rank in Ethiopia
24th of 181
Rank in Oromia
7th of 71

Entire Network (Aggregate)

SNDi value
1.59
Rank in Ethiopia
13th of 181
Rank in Oromia
3rd of 71

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

What about similarly populated cities?

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
AsassaHaveli LakhaTiantai County

In new street additions, Asassa built increasingly disconnected streets over time, while Haveli Lakha built increasingly disconnected streets from 1975 through 1991-2005, then improved and Tiantai County built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Haveli Lakha and Tiantai County both grew more disconnected from 1975 through 1991-2005, then improved, while Asassa became progressively more disconnected.