Bahir Dar in context: Street-network sprawl trends

Bahir Dar 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
Bahir DarAmhara (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bahir Dar plotted against Amhara and Ethiopia. The SNDi of new construction in Bahir Dar rose steadily, compared to Amhara which rose steadily and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Bahir Dar's incremental SNDi rose from 2.58 to 3.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bahir Dar ranked 12th out of 41 cities in Amhara and 82nd out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.04
Rank in Ethiopia
71st of 181
Rank in Amhara
10th of 41

Entire Network (Aggregate)

SNDi value
2.39
Rank in Ethiopia
82nd of 181
Rank in Amhara
12th of 41

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
Bahir DarFengrunOklahoma City

In new street additions, Bahir Dar and Oklahoma City both built increasingly disconnected streets over time, while Fengrun fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.