Orlamish in context: Street-network sprawl trends

Orlamish in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Orlamish plotted against Samangan and Afghanistan. The SNDi of new construction in Orlamish was at its lowest in 1991-2005, compared to Samangan which followed a zig-zag trend with an overall increase and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Orlamish's incremental SNDi rose from 1.39 to 2.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Orlamish ranked 1st out of 2 cities in Samangan and 5th out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
2.1
Rank in Afghanistan
10th of 73
Rank in Samangan
1st of 2

Entire Network (Aggregate)

SNDi value
2.15
Rank in Afghanistan
5th of 73
Rank in Samangan
1st of 2

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
OrlamishMbululaQingjiang

In new street additions, Orlamish built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Mbulula fluctuated in its street-construction patterns and Qingjiang fluctuated in its street-construction patterns. For the full network, Orlamish became progressively more connected, while Mbulula fluctuated in connectivity and Qingjiang fluctuated in connectivity. Notably, Orlamish had a more sprawly network than Mbulula in 1975 but the two have since reversed their relative ranking.