Debre Markos in context: Street-network sprawl trends

Debre Markos in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Debre Markos plotted against Amhara and Ethiopia. The SNDi of new construction in Debre Markos rose steadily, compared to Amhara which rose steadily and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Debre Markos's incremental SNDi rose from 1.74 to 2.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Debre Markos ranked 7th out of 41 cities in Amhara and 60th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.91
Rank in Ethiopia
61st of 181
Rank in Amhara
7th of 41

Entire Network (Aggregate)

SNDi value
2.15
Rank in Ethiopia
60th of 181
Rank in Amhara
7th of 41

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
Debre MarkosOrekhovo-ZouievoMaastricht

In new street additions, Debre Markos and Orekhovo-Zouïevo both built increasingly disconnected streets over time, while Maastricht built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Notably, Debre Markos had a more connected network than Orekhovo-Zouïevo in 1975 but the two have since reversed their relative ranking.