Samangan in context: Street-network sprawl trends

Samangan in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
SamanganAfghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Samangan plotted against Afghanistan. The SNDi of new construction in Samangan rose steadily, while Afghanistan followed a zig-zag trend with an overall increase. Most recently, Samangan's incremental SNDi rose from 3.69 to 3.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Samangan ranked 23rd out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.79
Rank in Afghanistan
33rd of 73

Entire Network (Aggregate)

SNDi value
3.27
Rank in Afghanistan
23rd of 73

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
SamanganTongjiang CountySheikhpura

In new street additions, Samangan built increasingly disconnected streets over time, while Tongjiang County built increasingly disconnected streets from 1975 through 1991-2005, then improved and Sheikhpura fluctuated in its street-construction patterns. For the full network, Samangan and Tongjiang County both became progressively more disconnected, while Sheikhpura became progressively more connected. Notably, Samangan had a more connected network than Sheikhpura in 1975 but the two have since reversed their relative ranking.