Adama in context: Street-network sprawl trends

Adama 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
AdamaOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Adama plotted against Oromia and Ethiopia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Adama's incremental SNDi rose from 2.13 to 2.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Adama ranked 30th out of 71 cities in Oromia and 72nd out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.93
Rank in Ethiopia
64th of 181
Rank in Oromia
28th of 71

Entire Network (Aggregate)

SNDi value
2.26
Rank in Ethiopia
72nd of 181
Rank in Oromia
30th of 71

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
AdamaJiaozhouNorth Richland Hills

In new street additions, Adama and Jiaozhou both fluctuated in its street-construction patterns, while North Richland Hills built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Adama and Jiaozhou have been growing further apart in their street-network character since 1975.