Hossana in context: Street-network sprawl trends

Hossana in context

1.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
HossanaSouthern Nations, Nationalities (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hossana plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Hossana 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, Hossana's incremental SNDi rose from 1.68 to 3.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hossana ranked 14th out of 39 cities in Southern Nations, Nationalities and 58th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.03
Rank in Ethiopia
70th of 181
Rank in Southern Nations, Nationalities
18th of 39

Entire Network (Aggregate)

SNDi value
2.13
Rank in Ethiopia
58th of 181
Rank in Southern Nations, Nationalities
14th of 39

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
HossanaMulhouse`Ar`ar

In new street additions, Hossana built increasingly disconnected streets over time, while Mulhouse built increasingly disconnected streets from 1975 through 1976-1990, then improved and `Ar`ar fluctuated in its street-construction patterns. For the full network, Hossana and Mulhouse both became progressively more disconnected, while `Ar`ar fluctuated in connectivity. Hossana and Mulhouse have been converging in their street-network character since 1975.