Dolo in context: Street-network sprawl trends

Dolo in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
DoloSomali (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dolo plotted against Somali and Ethiopia. The SNDi of new construction in Dolo 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, Dolo's incremental SNDi rose from 2.26 to 2.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dolo ranked 8th out of 12 cities in Somali and 85th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.66
Rank in Ethiopia
37th of 181
Rank in Somali
7th of 12

Entire Network (Aggregate)

SNDi value
2.47
Rank in Ethiopia
85th of 181
Rank in Somali
8th of 12

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
DoloLawksawkYako

While Lawksawk and Yako both fluctuated in its street-construction patterns, Dolo built increasingly disconnected streets over time in new street additions. For the full network, Dolo and Lawksawk both became progressively more disconnected, while Yako fluctuated in connectivity. Dolo and Yako have been growing further apart in their street-network character since 1975.