Alamata in context: Street-network sprawl trends

Alamata in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Alamata plotted against Tigray and Ethiopia. The SNDi of new construction in Alamata rose steadily, compared to Tigray which followed a zig-zag trend with an overall increase and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Alamata's incremental SNDi rose from 2.02 to 2.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Alamata ranked 5th out of 12 cities in Tigray and 29th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.1
Rank in Ethiopia
21st of 181
Rank in Tigray
4th of 12

Entire Network (Aggregate)

SNDi value
1.82
Rank in Ethiopia
29th of 181
Rank in Tigray
5th of 12

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
AlamataKraksaanVillanueva

While Kraksaan and Villanueva both fluctuated in its street-construction patterns, Alamata built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Alamata and Villanueva have been growing further apart in their street-network character since 1975.