Chagni in context: Street-network sprawl trends

Chagni in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ChagniAmhara (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chagni plotted against Amhara and Ethiopia. The SNDi of new construction in Chagni rose steadily, compared to Amhara which rose steadily and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Chagni's incremental SNDi rose from 2.5 to 3.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chagni ranked 21st out of 41 cities in Amhara and 116th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.76
Rank in Ethiopia
107th of 181
Rank in Amhara
19th of 41

Entire Network (Aggregate)

SNDi value
2.87
Rank in Ethiopia
116th of 181
Rank in Amhara
21st of 41

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
ChagniSinanjuAlanya

In new street additions, Chagni and Sinanju both built increasingly disconnected streets over time, while Alanya built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Chagni and Sinanju both became progressively more disconnected, while Alanya became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Chagni had a more connected network than Alanya in 1975 but the two have since reversed their relative ranking.