Ambo in context: Street-network sprawl trends

Ambo in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
AmboOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ambo plotted against Oromia and Ethiopia. The SNDi of new construction in Ambo rose steadily, 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, Ambo's incremental SNDi rose from 2.78 to 4.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ambo ranked 58th out of 71 cities in Oromia and 146th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.9
Rank in Ethiopia
146th of 181
Rank in Oromia
59th of 71

Entire Network (Aggregate)

SNDi value
3.34
Rank in Ethiopia
146th of 181
Rank in Oromia
58th of 71

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
AmboDolatabadSheyang

In new street additions, Ambo built increasingly disconnected streets over time, while Dolatabad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Sheyang built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Ambo and Sheyang both became progressively more disconnected, while Dolatabad became progressively more connected. Ambo and Dolatabad have been converging in their street-network character since 1975.