Seka in context: Street-network sprawl trends

Seka in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
SekaOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Seka plotted against Oromia and Ethiopia. The SNDi of new construction in Seka was at its lowest in 1991-2005, 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, Seka's incremental SNDi rose from 1.68 to 3.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Seka ranked 40th out of 71 cities in Oromia and 94th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.1
Rank in Ethiopia
76th of 181
Rank in Oromia
32nd of 71

Entire Network (Aggregate)

SNDi value
2.54
Rank in Ethiopia
94th of 181
Rank in Oromia
40th of 71

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
SekaMehar TalukaBanjarmasin

In new street additions, Seka built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Mehar Taluka built increasingly disconnected streets over time and Banjarmasin built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Mehar Taluka and Banjarmasin both became progressively more disconnected, while Seka became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Seka had a more sprawly network than Mehar Taluka in 1975 but the two have since reversed their relative ranking.