Koh-i-Sayad in context: Street-network sprawl trends

Koh-i-Sayad in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Koh-i-SayadFaryab (Region)Afghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Koh-i-Sayad plotted against Faryab and Afghanistan. The SNDi of new construction in Koh-i-Sayad was at its lowest in 1991-2005, compared to Faryab which fell steadily and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Koh-i-Sayad's incremental SNDi rose from 1.66 to 3.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Koh-i-Sayad ranked 6th out of 8 cities in Faryab and 29th out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.27
Rank in Afghanistan
25th of 73
Rank in Faryab
6th of 8

Entire Network (Aggregate)

SNDi value
3.7
Rank in Afghanistan
29th of 73
Rank in Faryab
6th of 8

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

What about similarly populated cities?

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
Koh-i-SayadAalborgMtwara

In new street additions, Koh-i-Sayad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Aalborg built increasingly disconnected streets from 1975 through 1991-2005, then improved and Mtwara built increasingly disconnected streets over time. Looking at the full network, Aalborg and Mtwara both became progressively more disconnected, while Koh-i-Sayad became progressively more connected. Koh-i-Sayad and Aalborg have been converging in their street-network character since 1975.