Itiya in context: Street-network sprawl trends

Itiya 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
ItiyaOromia (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Itiya plotted against Oromia and Ethiopia. The SNDi of new construction in Itiya 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, Itiya's incremental SNDi rose from 2.27 to 2.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Itiya ranked 18th out of 71 cities in Oromia and 49th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.89
Rank in Ethiopia
58th of 181
Rank in Oromia
24th of 71

Entire Network (Aggregate)

SNDi value
2.07
Rank in Ethiopia
49th of 181
Rank in Oromia
18th of 71

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
ItiyaJolietLuau

Itiya, Joliet, and Luau all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Itiya and Joliet have been converging in their street-network character since 1975.