Gwangwa in context: Street-network sprawl trends

Gwangwa in context

01234<19751976–19901991–20052006–2020SNDi of street additions
01234<19751976–19901991–20052006–2020SNDi of entire street network
GwangwaSouthern Nations, Nationalities (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gwangwa plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Gwangwa 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, Gwangwa's incremental SNDi rose from 2.16 to 2.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gwangwa ranked 16th out of 39 cities in Southern Nations, Nationalities and 64th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.43
Rank in Ethiopia
33rd of 181
Rank in Southern Nations, Nationalities
9th of 39

Entire Network (Aggregate)

SNDi value
2.18
Rank in Ethiopia
64th of 181
Rank in Southern Nations, Nationalities
16th of 39

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

What about similarly populated cities?

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
GwangwaHejinTurtkul

In new street additions, Gwangwa built increasingly disconnected streets over time, while Hejin built increasingly disconnected streets from 1975 through 1976-1990, then improved and Turtkul fluctuated in its street-construction patterns. For the full network, Gwangwa became progressively more disconnected, while Hejin grew more disconnected from 1975 through 1991-2005, then improved and Turtkul fluctuated in connectivity. Gwangwa and Hejin have been converging in their street-network character since 1975.