Abudwak in context: Street-network sprawl trends

Abudwak in context

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
AbudwakSomali (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Abudwak plotted against Somali and Ethiopia. The SNDi of new construction in Abudwak rose steadily, compared to Somali which was at its lowest in 1991-2005 and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Abudwak's incremental SNDi rose from 1.31 to 4.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Abudwak ranked 11th out of 12 cities in Somali and 170th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.9
Rank in Ethiopia
147th of 181
Rank in Somali
11th of 12

Entire Network (Aggregate)

SNDi value
4.59
Rank in Ethiopia
170th of 181
Rank in Somali
11th of 12

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
AbudwakShuikouWilmington

In new street additions, Abudwak built increasingly disconnected streets over time, while Shuikou fluctuated in its street-construction patterns and Wilmington built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Abudwak and Wilmington both became progressively more disconnected, while Shuikou fluctuated in connectivity. Notably, Abudwak had a more connected network than Shuikou in 1975 but the two have since reversed their relative ranking.