Bonsa Bota in context: Street-network sprawl trends

Bonsa Bota in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Bonsa BotaSouthern Nations, Nationalities (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bonsa Bota plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Bonsa Bota was at its lowest in 1976-1990, 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, Bonsa Bota's incremental SNDi rose from 2.02 to 5.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bonsa Bota ranked 34th out of 39 cities in Southern Nations, Nationalities and 138th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.1
Rank in Ethiopia
150th of 181
Rank in Southern Nations, Nationalities
34th of 39

Entire Network (Aggregate)

SNDi value
3.25
Rank in Ethiopia
138th of 181
Rank in Southern Nations, Nationalities
34th 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
Bonsa BotaGuxianVitoria-Gasteiz

In new street additions, Bonsa Bota built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Guxian fluctuated in its street-construction patterns and Vitoria-Gasteiz built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Bonsa Bota became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Guxian fluctuated in connectivity and Vitoria-Gasteiz became progressively more disconnected. Bonsa Bota and Guxian have been converging in their street-network character since 1975.