Wijigra in context: Street-network sprawl trends
Wijigra in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wijigra plotted against Southern Nations, Nationalities and Ethiopia. The SNDi of new construction in Wijigra 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, Wijigra's incremental SNDi rose from 4.26 to 5.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wijigra ranked 39th out of 39 cities in Southern Nations, Nationalities and 175th out of 181 in Ethiopia as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.68
- Rank in Ethiopia
- 162nd of 181
- Rank in Southern Nations, Nationalities
- 37th of 39
Entire Network (Aggregate)
- SNDi value
- 5.19
- Rank in Ethiopia
- 175th of 181
- Rank in Southern Nations, Nationalities
- 39th of 39
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Ariwara, Democratic Republic of the Congo
- Heyun, China
- Haldibari, India
- Kempten (Allgäu), Germany
- Chukai, Malaysia
- Hamaschkorieb, Sudan
Wijigra, Ariwara, and Kempten (Allgäu) all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Notably, Wijigra had a more connected network than Ariwara in 1975 but the two have since reversed their relative ranking.